5.15.165-rc1 review

index 4accc9efa6946..3cd65bcca2240 100644
@@ -2598,14 +2598,16 @@ static int set_llm_cfg_to_hw(struct hns_roce_dev *hr_dev,
 static struct hns_roce_link_table *
 alloc_link_table_buf(struct hns_roce_dev *hr_dev)
 {
+	u16 total_sl = hr_dev->caps.sl_num * hr_dev->func_num;
 	struct hns_roce_v2_priv *priv = hr_dev->priv;
 	struct hns_roce_link_table *link_tbl;
 	u32 pg_shift, size, min_size;
 
 	link_tbl = &priv->ext_llm;
 	pg_shift = hr_dev->caps.llm_buf_pg_sz + PAGE_SHIFT;
-	size = hr_dev->caps.num_qps * HNS_ROCE_V2_EXT_LLM_ENTRY_SZ;
-	min_size = HNS_ROCE_EXT_LLM_MIN_PAGES(hr_dev->caps.sl_num) << pg_shift;
+	size = hr_dev->caps.num_qps * hr_dev->func_num *
+	       HNS_ROCE_V2_EXT_LLM_ENTRY_SZ;
+	min_size = HNS_ROCE_EXT_LLM_MIN_PAGES(total_sl) << pg_shift;
 
 	/* Alloc data table */
 	size = max(size, min_size);

index 91b71fa3c1216..e29894197f5ca 100644
@@ -2354,7 +2354,7 @@ static int bnxt_re_build_send_wqe(struct bnxt_re_qp *qp,
 		break;
 	case IB_WR_SEND_WITH_IMM:
 		wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_IMM;
-		wqe->send.imm_data = wr->ex.imm_data;
+		wqe->send.imm_data = be32_to_cpu(wr->ex.imm_data);
 		break;
 	case IB_WR_SEND_WITH_INV:
 		wqe->type = BNXT_QPLIB_SWQE_TYPE_SEND_WITH_INV;

@@ -2384,7 +2384,7 @@ static int bnxt_re_build_rdma_wqe(const struct ib_send_wr *wr,
 		break;
 	case IB_WR_RDMA_WRITE_WITH_IMM:
 		wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_WRITE_WITH_IMM;
-		wqe->rdma.imm_data = wr->ex.imm_data;
+		wqe->rdma.imm_data = be32_to_cpu(wr->ex.imm_data);
 		break;
 	case IB_WR_RDMA_READ:
 		wqe->type = BNXT_QPLIB_SWQE_TYPE_RDMA_READ;

@@ -3334,7 +3334,7 @@ static void bnxt_re_process_res_shadow_qp_wc(struct bnxt_re_qp *gsi_sqp,
 	wc->byte_len = orig_cqe->length;
 	wc->qp = &gsi_qp->ib_qp;
 
-	wc->ex.imm_data = orig_cqe->immdata;
+	wc->ex.imm_data = cpu_to_be32(le32_to_cpu(orig_cqe->immdata));
 	wc->src_qp = orig_cqe->src_qp;
 	memcpy(wc->smac, orig_cqe->smac, ETH_ALEN);
 	if (bnxt_re_is_vlan_pkt(orig_cqe, &vlan_id, &sl)) {

@@ -3470,7 +3470,7 @@ int bnxt_re_poll_cq(struct ib_cq *ib_cq, int num_entries, struct ib_wc *wc)
 				 (unsigned long)(cqe->qp_handle),
 				 struct bnxt_re_qp, qplib_qp);
 			wc->qp = &qp->ib_qp;
-			wc->ex.imm_data = cqe->immdata;
+			wc->ex.imm_data = cpu_to_be32(le32_to_cpu(cqe->immdata));
 			wc->src_qp = cqe->src_qp;
 			memcpy(wc->smac, cqe->smac, ETH_ALEN);
 			wc->port_num = 1;

index 49d89c0808275..4f1a845f9be6c 100644
@@ -164,7 +164,7 @@ struct bnxt_qplib_swqe {
 		/* Send, with imm, inval key */
 		struct {
 			union {
-				__be32	imm_data;
+				u32	imm_data;
 				u32	inv_key;
 			};
 			u32		q_key;

@@ -182,7 +182,7 @@ struct bnxt_qplib_swqe {
 		/* RDMA write, with imm, read */
 		struct {
 			union {
-				__be32	imm_data;
+				u32	imm_data;
 				u32	inv_key;
 			};
 			u64		remote_va;

@@ -374,7 +374,7 @@ struct bnxt_qplib_cqe {
 	u16				cfa_meta;
 	u64				wr_id;
 	union {
-		__be32			immdata;
+		__le32			immdata;
 		u32			invrkey;
 	};
 	u64				qp_handle;

index 1466015bc56dc..b429ffde25b1a 100644
@@ -3426,7 +3426,8 @@ static int ctnetlink_del_expect(struct sk_buff *skb,
 
 		if (cda[CTA_EXPECT_ID]) {
 			__be32 id = nla_get_be32(cda[CTA_EXPECT_ID]);
-			if (ntohl(id) != (u32)(unsigned long)exp) {
+
+			if (id != nf_expect_get_id(exp)) {
 				nf_ct_expect_put(exp);
 				return -ENOENT;
 			}

index 2299ced939c47..cde08578722ef 100644
@@ -360,7 +360,7 @@
  * Return: -1 on no match, bit position on 'match_only', 0 otherwise.
  */
 int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst,
-		  union nft_pipapo_map_bucket *mt, bool match_only)
+		  const union nft_pipapo_map_bucket *mt, bool match_only)
 {
 	unsigned long bitset;
 	int k, ret = -1;

@@ -412,9 +412,9 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
 	struct nft_pipapo_scratch *scratch;
 	unsigned long *res_map, *fill_map;
 	u8 genmask = nft_genmask_cur(net);
+	const struct nft_pipapo_match *m;
+	const struct nft_pipapo_field *f;
 	const u8 *rp = (const u8 *)key;
-	struct nft_pipapo_match *m;
-	struct nft_pipapo_field *f;
 	bool map_index;
 	int i;
 

@@ -517,11 +517,13 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net,
 {
 	struct nft_pipapo_elem *ret = ERR_PTR(-ENOENT);
 	struct nft_pipapo *priv = nft_set_priv(set);
-	struct nft_pipapo_match *m = priv->clone;
 	unsigned long *res_map, *fill_map = NULL;
-	struct nft_pipapo_field *f;
+	const struct nft_pipapo_match *m;
+	const struct nft_pipapo_field *f;
 	int i;
 
+	m = priv->clone;
+
 	res_map = kmalloc_array(m->bsize_max, sizeof(*res_map), GFP_ATOMIC);
 	if (!res_map) {
 		ret = ERR_PTR(-ENOMEM);

@@ -1591,7 +1593,7 @@ static void pipapo_gc(const struct nft_set *_set, struct nft_pipapo_match *m)
 
 	while ((rules_f0 = pipapo_rules_same_key(m->f, first_rule))) {
 		union nft_pipapo_map_bucket rulemap[NFT_PIPAPO_MAX_FIELDS];
-		struct nft_pipapo_field *f;
+		const struct nft_pipapo_field *f;
 		int i, start, rules_fx;
 
 		start = first_rule;

@@ -2037,8 +2039,8 @@ static void nft_pipapo_walk(const struct nft_ctx *ctx, struct nft_set *set,
 {
 	struct nft_pipapo *priv = nft_set_priv(set);
 	struct net *net = read_pnet(&set->net);
-	struct nft_pipapo_match *m;
-	struct nft_pipapo_field *f;
+	const struct nft_pipapo_match *m;
+	const struct nft_pipapo_field *f;
 	int i, r;
 
 	rcu_read_lock();

index 30a3d092cd841..73a4518308be4 100644
@@ -185,7 +185,7 @@ struct nft_pipapo_elem {
 };
 
 int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst,
-		  union nft_pipapo_map_bucket *mt, bool match_only);
+		  const union nft_pipapo_map_bucket *mt, bool match_only);
 
 /**
  * pipapo_and_field_buckets_4bit() - Intersect 4-bit buckets

@@ -193,7 +193,7 @@ int pipapo_refill(unsigned long *map, int len, int rules, unsigned long *dst,
  * @dst:	Area to store result
  * @data:	Input data selecting table buckets
  */
-static inline void pipapo_and_field_buckets_4bit(struct nft_pipapo_field *f,
+static inline void pipapo_and_field_buckets_4bit(const struct nft_pipapo_field *f,
 						 unsigned long *dst,
 						 const u8 *data)
 {

@@ -221,7 +221,7 @@ static inline void pipapo_and_field_buckets_4bit(struct nft_pipapo_field *f,
  * @dst:	Area to store result
  * @data:	Input data selecting table buckets
  */
-static inline void pipapo_and_field_buckets_8bit(struct nft_pipapo_field *f,
+static inline void pipapo_and_field_buckets_8bit(const struct nft_pipapo_field *f,
 						 unsigned long *dst,
 						 const u8 *data)
 {

132 lines not on this page · raw message

index cde08578722ef..8b1a88a16e5c1 100644
@@ -432,7 +432,7 @@ bool nft_pipapo_lookup(const struct net *net, const struct nft_set *set,
 	res_map  = scratch->map + (map_index ? m->bsize_max : 0);
 	fill_map = scratch->map + (map_index ? 0 : m->bsize_max);
 
-	memset(res_map, 0xff, m->bsize_max * sizeof(*res_map));
+	pipapo_resmap_init(m, res_map);
 
 	nft_pipapo_for_each_field(f, i, m) {
 		bool last = i == m->field_count - 1;

@@ -536,7 +536,7 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net,
 		goto out;
 	}
 
-	memset(res_map, 0xff, m->bsize_max * sizeof(*res_map));
+	pipapo_resmap_init(m, res_map);
 
 	nft_pipapo_for_each_field(f, i, m) {
 		bool last = i == m->field_count - 1;

index 73a4518308be4..519a2e6dc206f 100644
@@ -285,4 +285,25 @@ static u64 pipapo_estimate_size(const struct nft_set_desc *desc)
 	return size;
 }
 
+/**
+ * pipapo_resmap_init() - Initialise result map before first use
+ * @m:		Matching data, including mapping table
+ * @res_map:	Result map
+ *
+ * Initialize all bits covered by the first field to one, so that after
+ * the first step, only the matching bits of the first bit group remain.
+ *
+ * If other fields have a large bitmap, set remainder of res_map to 0.
+ */
+static inline void pipapo_resmap_init(const struct nft_pipapo_match *m, unsigned long *res_map)
+{
+	const struct nft_pipapo_field *f = m->f;
+	int i;
+
+	for (i = 0; i < f->bsize; i++)
+		res_map[i] = ULONG_MAX;
+
+	for (i = f->bsize; i < m->bsize_max; i++)
+		res_map[i] = 0ul;
+}
 #endif /* _NFT_SET_PIPAPO_H */

index ef24c41482a32..295406cf63672 100644
@@ -1036,6 +1036,7 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill,
 
 /**
  * nft_pipapo_avx2_lookup_slow() - Fallback function for uncommon field sizes
+ * @mdata:	Matching data, including mapping table
  * @map:	Previous match result, used as initial bitmap
  * @fill:	Destination bitmap to be filled with current match result
  * @f:		Field, containing lookup and mapping tables

@@ -1051,7 +1052,8 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill,
  * Return: -1 on no match, rule index of match if @last, otherwise first long
  * word index to be checked next (i.e. first filled word).
  */
-static int nft_pipapo_avx2_lookup_slow(unsigned long *map, unsigned long *fill,
+static int nft_pipapo_avx2_lookup_slow(const struct nft_pipapo_match *mdata,
+					unsigned long *map, unsigned long *fill,
 					const struct nft_pipapo_field *f,
 					int offset, const u8 *pkt,
 					bool first, bool last)

@@ -1062,7 +1064,7 @@ static int nft_pipapo_avx2_lookup_slow(unsigned long *map, unsigned long *fill,
 	lt += offset * NFT_PIPAPO_LONGS_PER_M256;
 
 	if (first)
-		memset(map, 0xff, bsize * sizeof(*map));
+		pipapo_resmap_init(mdata, map);
 
 	for (i = offset; i < bsize; i++) {
 		if (f->bb == 8)

@@ -1188,7 +1190,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set,
 			} else if (f->groups == 16) {
 				NFT_SET_PIPAPO_AVX2_LOOKUP(8, 16);
 			} else {
-				ret = nft_pipapo_avx2_lookup_slow(res, fill, f,
+				ret = nft_pipapo_avx2_lookup_slow(m, res, fill, f,
 								  ret, rp,
 								  first, last);
 			}

@@ -1204,7 +1206,7 @@ bool nft_pipapo_avx2_lookup(const struct net *net, const struct nft_set *set,
 			} else if (f->groups == 32) {
 				NFT_SET_PIPAPO_AVX2_LOOKUP(4, 32);
 			} else {
-				ret = nft_pipapo_avx2_lookup_slow(res, fill, f,
+				ret = nft_pipapo_avx2_lookup_slow(m, res, fill, f,
 								  ret, rp,
 								  first, last);
 			}

index 7985a48e08306..2a55ecceab8c6 100644
@@ -3104,7 +3104,8 @@ static int mv88e6xxx_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
 	mv88e6xxx_reg_lock(chip);
 	if (chip->info->ops->port_set_jumbo_size)
 		ret = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
-	else if (chip->info->ops->set_max_frame_size)
+	else if (chip->info->ops->set_max_frame_size &&
+		 dsa_is_cpu_port(ds, port))
 		ret = chip->info->ops->set_max_frame_size(chip, new_mtu);
 	mv88e6xxx_reg_unlock(chip);
 

index 604f541126654..e23f184ffdda7 100644
@@ -2223,6 +2223,9 @@ static int b53_change_mtu(struct dsa_switch *ds, int port, int mtu)
 	if (is5325(dev) || is5365(dev))
 		return -EOPNOTSUPP;
 
+	if (!dsa_is_cpu_port(ds, port))
+		return 0;
+
 	enable_jumbo = (mtu >= JMS_MIN_SIZE);
 	allow_10_100 = (dev->chip_id == BCM583XX_DEVICE_ID);
 

index 1b082b7a67ee2..4bd3e6718ee65 100644
@@ -475,7 +475,7 @@ static int ntfs_extend_mft(struct ntfs_sb_info *sbi)
 	struct ATTRIB *attr;
 	struct wnd_bitmap *wnd = &sbi->mft.bitmap;
 
-	new_mft_total = (wnd->nbits + MFT_INCREASE_CHUNK + 127) & (CLST)~127;
+	new_mft_total = ALIGN(wnd->nbits + NTFS_MFT_INCREASE_STEP, 128);
 	new_mft_bytes = (u64)new_mft_total << sbi->record_bits;
 
 	/* Step 1: Resize $MFT::DATA. */

index 324c0b036fdc1..1197d1a232962 100644
@@ -84,7 +84,6 @@ typedef u32 CLST;
 
 #define COMPRESSION_UNIT     4
 #define COMPRESS_MAX_CLUSTER 0x1000
-#define MFT_INCREASE_CHUNK   1024
 
 enum RECORD_NUM {
 	MFT_REC_MFT		= 0,

index 12a3b41d351c9..e67bef4018079 100644
@@ -198,6 +198,8 @@ struct ntfs_index {
 
 /* Minimum MFT zone. */
 #define NTFS_MIN_MFT_ZONE 100
+/* Step to increase the MFT. */
+#define NTFS_MFT_INCREASE_STEP 1024
 
 /* Ntfs file system in-core superblock data. */
 struct ntfs_sb_info {

index 64a6d255c4686..558a7e9bf1ef2 100644
@@ -265,7 +265,7 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr,
 
 	align = sbi->cluster_size;
 	if (is_attr_compressed(attr))
-		align <<= COMPRESSION_UNIT;
+		align <<= NTFS_LZNT_CUNIT;
 	len = (rsize + align - 1) >> sbi->cluster_bits;
 
 	run_init(run);

index b02778cbb1d34..da21a044d3f86 100644
@@ -1453,7 +1453,7 @@ int ni_insert_nonresident(struct ntfs_inode *ni, enum ATTR_TYPE type,
 
 	if (is_ext) {
 		if (flags & ATTR_FLAG_COMPRESSED)
-			attr->nres.c_unit = COMPRESSION_UNIT;
+			attr->nres.c_unit = NTFS_LZNT_CUNIT;
 		attr->nres.total_size = attr->nres.alloc_size;
 	}
 

index 8ac677e3b250c..8b8125b0e7fb8 100644
@@ -2999,7 +2999,7 @@ static struct ATTRIB *attr_create_nonres_log(struct ntfs_sb_info *sbi,
 	if (is_ext) {
 		attr->name_off = SIZEOF_NONRESIDENT_EX_LE;
 		if (is_attr_compressed(attr))
-			attr->nres.c_unit = COMPRESSION_UNIT;
+			attr->nres.c_unit = NTFS_LZNT_CUNIT;
 
 		attr->nres.run_off =
 			cpu_to_le16(SIZEOF_NONRESIDENT_EX + name_size);

index ff45ad967fb82..7adfa19a2f067 100644
@@ -1465,7 +1465,7 @@ struct inode *ntfs_create_inode(struct user_namespace *mnt_userns,
 			attr->size = cpu_to_le32(SIZEOF_NONRESIDENT_EX + 8);
 			attr->name_off = SIZEOF_NONRESIDENT_EX_LE;
 			attr->flags = ATTR_FLAG_COMPRESSED;
-			attr->nres.c_unit = COMPRESSION_UNIT;
+			attr->nres.c_unit = NTFS_LZNT_CUNIT;
 			asize = SIZEOF_NONRESIDENT_EX + 8;
 		} else {
 			attr->size = cpu_to_le32(SIZEOF_NONRESIDENT + 8);

index 1197d1a232962..b992ec42a1d92 100644
@@ -82,9 +82,6 @@ typedef u32 CLST;
 #define RESIDENT_LCN   ((CLST)-2)
 #define COMPRESSED_LCN ((CLST)-3)
 
-#define COMPRESSION_UNIT     4
-#define COMPRESS_MAX_CLUSTER 0x1000
-
 enum RECORD_NUM {
 	MFT_REC_MFT		= 0,
 	MFT_REC_MIRR		= 1,

index 558a7e9bf1ef2..e8fc86dab6114 100644
@@ -242,7 +242,7 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr,
 	struct ntfs_sb_info *sbi;
 	struct ATTRIB *attr_s;
 	struct MFT_REC *rec;
-	u32 used, asize, rsize, aoff, align;
+	u32 used, asize, rsize, aoff;
 	bool is_data;
 	CLST len, alen;
 	char *next;

@@ -263,10 +263,13 @@ int attr_make_nonresident(struct ntfs_inode *ni, struct ATTRIB *attr,
 	rsize = le32_to_cpu(attr->res.data_size);
 	is_data = attr->type == ATTR_DATA && !attr->name_len;
 
-	align = sbi->cluster_size;
-	if (is_attr_compressed(attr))
-		align <<= NTFS_LZNT_CUNIT;
-	len = (rsize + align - 1) >> sbi->cluster_bits;
+	/* len - how many clusters required to store 'rsize' bytes */
+	if (is_attr_compressed(attr)) {
+		u8 shift = sbi->cluster_bits + NTFS_LZNT_CUNIT;
+		len = ((rsize + (1u << shift) - 1) >> shift) << NTFS_LZNT_CUNIT;
+	} else {
+		len = bytes_to_cluster(sbi, rsize);
+	}
 
 	run_init(run);
 

index e8fc86dab6114..83c15c70f5945 100644
@@ -1565,6 +1565,7 @@ int attr_allocate_frame(struct ntfs_inode *ni, CLST frame, size_t compr_size,
 
 	attr_b->nres.total_size = cpu_to_le64(total_size);
 	inode_set_bytes(&ni->vfs_inode, total_size);
+	ni->ni_flags |= NI_FLAG_UPDATE_PARENT;
 
 	mi_b->dirty = true;
 	mark_inode_dirty(&ni->vfs_inode);

index 98f57d0c702eb..dcd689ed4baae 100644
@@ -326,7 +326,8 @@ static inline int ntfs_filldir(struct ntfs_sb_info *sbi, struct ntfs_inode *ni,
 	 * It does additional locks/reads just to get the type of name.
 	 * Should we use additional mount option to enable branch below?
 	 */
-	if ((fname->dup.fa & FILE_ATTRIBUTE_REPARSE_POINT) &&
+	if (((fname->dup.fa & FILE_ATTRIBUTE_REPARSE_POINT) ||
+	     fname->dup.ea_size) &&
 	    ino != ni->mi.rno) {
 		struct inode *inode = ntfs_iget5(sbi->sb, &e->ref, NULL);
 		if (!IS_ERR_OR_NULL(inode)) {

index 4ff70527755a3..790467dcde4f5 100644
@@ -748,9 +748,8 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = {
 	RK_MUXROUTE_SAME(0, RK_PC3, 1, 0x314, BIT(16 + 0) | BIT(0)), /* rtc_clk */
 	RK_MUXROUTE_SAME(1, RK_PC6, 2, 0x314, BIT(16 + 2) | BIT(16 + 3)), /* uart2_rxm0 */
 	RK_MUXROUTE_SAME(4, RK_PD2, 2, 0x314, BIT(16 + 2) | BIT(16 + 3) | BIT(2)), /* uart2_rxm1 */
-	RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x608, BIT(16 + 8) | BIT(16 + 9)), /* i2c3_sdam0 */
-	RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(8)), /* i2c3_sdam1 */
-	RK_MUXROUTE_SAME(2, RK_PA0, 3, 0x608, BIT(16 + 8) | BIT(16 + 9) | BIT(9)), /* i2c3_sdam2 */
+	RK_MUXROUTE_SAME(0, RK_PB7, 2, 0x314, BIT(16 + 4)), /* i2c3_sdam0 */
+	RK_MUXROUTE_SAME(3, RK_PB4, 2, 0x314, BIT(16 + 4) | BIT(4)), /* i2c3_sdam1 */
 	RK_MUXROUTE_SAME(1, RK_PA3, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclktxm0 */
 	RK_MUXROUTE_SAME(1, RK_PA4, 2, 0x308, BIT(16 + 3)), /* i2s-8ch-1-sclkrxm0 */
 	RK_MUXROUTE_SAME(1, RK_PB5, 2, 0x308, BIT(16 + 3) | BIT(3)), /* i2s-8ch-1-sclktxm1 */

@@ -759,18 +758,6 @@ static struct rockchip_mux_route_data rk3308_mux_route_data[] = {
 	RK_MUXROUTE_SAME(1, RK_PB6, 4, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* pdm-clkm1 */
 	RK_MUXROUTE_SAME(2, RK_PA6, 2, 0x308, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* pdm-clkm2 */
 	RK_MUXROUTE_SAME(2, RK_PA4, 3, 0x600, BIT(16 + 2) | BIT(2)), /* pdm-clkm-m2 */
-	RK_MUXROUTE_SAME(3, RK_PB2, 3, 0x314, BIT(16 + 9)), /* spi1_miso */
-	RK_MUXROUTE_SAME(2, RK_PA4, 2, 0x314, BIT(16 + 9) | BIT(9)), /* spi1_miso_m1 */
-	RK_MUXROUTE_SAME(0, RK_PB3, 3, 0x314, BIT(16 + 10) | BIT(16 + 11)), /* owire_m0 */
-	RK_MUXROUTE_SAME(1, RK_PC6, 7, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(10)), /* owire_m1 */
-	RK_MUXROUTE_SAME(2, RK_PA2, 5, 0x314, BIT(16 + 10) | BIT(16 + 11) | BIT(11)), /* owire_m2 */
-	RK_MUXROUTE_SAME(0, RK_PB3, 2, 0x314, BIT(16 + 12) | BIT(16 + 13)), /* can_rxd_m0 */
-	RK_MUXROUTE_SAME(1, RK_PC6, 5, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(12)), /* can_rxd_m1 */
-	RK_MUXROUTE_SAME(2, RK_PA2, 4, 0x314, BIT(16 + 12) | BIT(16 + 13) | BIT(13)), /* can_rxd_m2 */
-	RK_MUXROUTE_SAME(1, RK_PC4, 3, 0x314, BIT(16 + 14)), /* mac_rxd0_m0 */
-	RK_MUXROUTE_SAME(4, RK_PA2, 2, 0x314, BIT(16 + 14) | BIT(14)), /* mac_rxd0_m1 */
-	RK_MUXROUTE_SAME(3, RK_PB4, 4, 0x314, BIT(16 + 15)), /* uart3_rx */
-	RK_MUXROUTE_SAME(0, RK_PC1, 3, 0x314, BIT(16 + 15) | BIT(15)), /* uart3_rx_m1 */
 };
 
 static struct rockchip_mux_route_data rk3328_mux_route_data[] = {

index f567805cbde8e..8f4cc52b2a066 100644
@@ -2062,6 +2062,14 @@ pinctrl_init_controller(struct pinctrl_desc *pctldesc, struct device *dev,
 	return ERR_PTR(ret);
 }
 
+static void pinctrl_uninit_controller(struct pinctrl_dev *pctldev, struct pinctrl_desc *pctldesc)
+{
+	pinctrl_free_pindescs(pctldev, pctldesc->pins,
+			      pctldesc->npins);
+	mutex_destroy(&pctldev->mutex);
+	kfree(pctldev);
+}
+
 static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev)
 {
 	pctldev->p = create_pinctrl(pctldev->dev, pctldev);

@@ -2142,8 +2150,10 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc,
 		return pctldev;
 
 	error = pinctrl_enable(pctldev);
-	if (error)
+	if (error) {
+		pinctrl_uninit_controller(pctldev, pctldesc);
 		return ERR_PTR(error);
+	}
 
 	return pctldev;
 }

index 9ad8f70206142..cd23479f352a2 100644
@@ -1328,7 +1328,6 @@ static void pcs_irq_free(struct pcs_device *pcs)
 static void pcs_free_resources(struct pcs_device *pcs)
 {
 	pcs_irq_free(pcs);
-	pinctrl_unregister(pcs->pctl);
 
 #if IS_BUILTIN(CONFIG_PINCTRL_SINGLE)
 	if (pcs->missing_nr_pinctrl_cells)

@@ -1885,7 +1884,7 @@ static int pcs_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto free;
 
-	ret = pinctrl_register_and_init(&pcs->desc, pcs->dev, pcs, &pcs->pctl);
+	ret = devm_pinctrl_register_and_init(pcs->dev, &pcs->desc, pcs, &pcs->pctl);
 	if (ret) {
 		dev_err(pcs->dev, "could not register single pinctrl driver\n");
 		goto free;

@@ -1918,8 +1917,10 @@ static int pcs_probe(struct platform_device *pdev)
 
 	dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size);
 
-	return pinctrl_enable(pcs->pctl);
+	if (pinctrl_enable(pcs->pctl))
+		goto free;
 
+	return 0;
 free:
 	pcs_free_resources(pcs);
 

index 4e2382778d38f..75a2243ee87cc 100644
@@ -908,9 +908,6 @@ static int ti_iodelay_remove(struct platform_device *pdev)
 {
 	struct ti_iodelay_device *iod = platform_get_drvdata(pdev);
 
-	if (!iod)
-		return 0;
-
 	if (iod->pctl)
 		pinctrl_unregister(iod->pctl);
 

index 75a2243ee87cc..f3411e3eaf2ea 100644
@@ -883,7 +883,7 @@ static int ti_iodelay_probe(struct platform_device *pdev)
 	iod->desc.name = dev_name(dev);
 	iod->desc.owner = THIS_MODULE;
 
-	ret = pinctrl_register_and_init(&iod->desc, dev, iod, &iod->pctl);
+	ret = devm_pinctrl_register_and_init(dev, &iod->desc, iod, &iod->pctl);
 	if (ret) {
 		dev_err(dev, "Failed to register pinctrl\n");
 		goto exit_out;

@@ -891,7 +891,11 @@ static int ti_iodelay_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, iod);
 
-	return pinctrl_enable(iod->pctl);
+	ret = pinctrl_enable(iod->pctl);
+	if (ret)
+		goto exit_out;
+
+	return 0;
 
 exit_out:
 	of_node_put(np);

@@ -908,9 +912,6 @@ static int ti_iodelay_remove(struct platform_device *pdev)
 {
 	struct ti_iodelay_device *iod = platform_get_drvdata(pdev);
 
-	if (iod->pctl)
-		pinctrl_unregister(iod->pctl);
-
 	ti_iodelay_pinconf_deinit_dev(iod);
 
 	/* Expect other allocations to be freed by devm */

index 735cedd0958a2..5b0fcf15f2804 100644
@@ -405,8 +405,8 @@ static int mxs_pinctrl_probe_dt(struct platform_device *pdev,
 	int ret;
 	u32 val;
 
-	child = of_get_next_child(np, NULL);
-	if (!child) {
+	val = of_get_child_count(np);
+	if (val == 0) {
 		dev_err(&pdev->dev, "no group is defined\n");
 		return -ENOENT;
 	}

index 6d4f3431bc75a..af7e138064624 100644
@@ -398,10 +398,7 @@ static int ntfs_file_mmap(struct file *file, struct vm_area_struct *vma)
 		}
 
 		if (ni->i_valid < to) {
-			if (!inode_trylock(inode)) {
-				err = -EAGAIN;
-				goto out;
-			}
+			inode_lock(inode);
 			err = ntfs_extend_initialized_size(file, ni,
 							   ni->i_valid, to);
 			inode_unlock(inode);

index a069ae7a748ef..13f492d0d971f 100644
@@ -979,7 +979,7 @@ static struct indx_node *indx_new(struct ntfs_index *indx,
 		hdr->used =
 			cpu_to_le32(eo + sizeof(struct NTFS_DE) + sizeof(u64));
 		de_set_vbn_le(e, *sub_vbn);
-		hdr->flags = 1;
+		hdr->flags = NTFS_INDEX_HDR_HAS_SUBNODES;
 	} else {
 		e->size = cpu_to_le16(sizeof(struct NTFS_DE));
 		hdr->used = cpu_to_le32(eo + sizeof(struct NTFS_DE));

@@ -1684,7 +1684,7 @@ static int indx_insert_into_root(struct ntfs_index *indx, struct ntfs_inode *ni,
 	e->size = cpu_to_le16(sizeof(struct NTFS_DE) + sizeof(u64));
 	e->flags = NTFS_IE_HAS_SUBNODES | NTFS_IE_LAST;
 
-	hdr->flags = 1;
+	hdr->flags = NTFS_INDEX_HDR_HAS_SUBNODES;
 	hdr->used = hdr->total =
 		cpu_to_le32(new_root_size - offsetof(struct INDEX_ROOT, ihdr));
 

index b992ec42a1d92..625f2b52bd586 100644
@@ -686,14 +686,15 @@ static inline bool de_has_vcn_ex(const struct NTFS_DE *e)
 	      offsetof(struct ATTR_FILE_NAME, name) + \
 	      NTFS_NAME_LEN * sizeof(short), 8)
 
+#define NTFS_INDEX_HDR_HAS_SUBNODES cpu_to_le32(1)
+
 struct INDEX_HDR {
 	__le32 de_off;	// 0x00: The offset from the start of this structure
 			// to the first NTFS_DE.
 	__le32 used;	// 0x04: The size of this structure plus all
 			// entries (quad-word aligned).
 	__le32 total;	// 0x08: The allocated size of for this structure plus all entries.
-	u8 flags;	// 0x0C: 0x00 = Small directory, 0x01 = Large directory.
-	u8 res[3];
+	__le32 flags;	// 0x0C: 0x00 = Small directory, 0x01 = Large directory.
 
 	//
 	// de_off + used <= total

@@ -740,7 +741,7 @@ static inline struct NTFS_DE *hdr_next_de(const struct INDEX_HDR *hdr,
 
 static inline bool hdr_has_subnode(const struct INDEX_HDR *hdr)
 {
-	return hdr->flags & 1;
+	return hdr->flags & NTFS_INDEX_HDR_HAS_SUBNODES;
 }
 
 struct INDEX_BUFFER {

@@ -760,7 +761,7 @@ static inline bool ib_is_empty(const struct INDEX_BUFFER *ib)
 
 static inline bool ib_is_leaf(const struct INDEX_BUFFER *ib)
 {
-	return !(ib->ihdr.flags & 1);
+	return !(ib->ihdr.flags & NTFS_INDEX_HDR_HAS_SUBNODES);
 }
 
 /* Index root structure ( 0x90 ). */

index 705a41f4d6b36..b255e3dfded14 100644
@@ -1471,6 +1471,8 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end,
 		}
 #endif
 
+		if (page && !PageAnon(page))
+			flags |= PM_FILE;
 		if (page && !migration && page_mapcount(page) == 1)
 			flags |= PM_MMAP_EXCLUSIVE;
 

index 440e628f9d4fc..c90435e8e7489 100644
@@ -136,7 +136,7 @@ static void nilfs_dispose_list(struct the_nilfs *, struct list_head *, int);
 
 #define nilfs_cnt32_ge(a, b)   \
 	(typecheck(__u32, a) && typecheck(__u32, b) && \
-	 ((__s32)(a) - (__s32)(b) >= 0))
+	 ((__s32)((a) - (b)) >= 0))
 
 static int nilfs_prepare_segment_lock(struct super_block *sb,
 				      struct nilfs_transaction_info *ti)

index f49ab45455d7c..29c12947e73fc 100644
@@ -274,10 +274,9 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 			return err;
 
 		/* full-function RTCs won't have such missing fields */
-		if (rtc_valid_tm(&alarm->time) == 0) {
-			rtc_add_offset(rtc, &alarm->time);
-			return 0;
-		}
+		err = rtc_valid_tm(&alarm->time);
+		if (!err)
+			goto done;
 
 		/* get the "after" timestamp, to detect wrapped fields */
 		err = rtc_read_time(rtc, &now);

@@ -379,6 +378,8 @@ int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 	if (err)
 		dev_warn(&rtc->dev, "invalid alarm value: %ptR\n",
 			 &alarm->time);
+	else
+		rtc_add_offset(rtc, &alarm->time);
 
 	return err;
 }

index 21536b72aa5e5..95589a496f0ff 100644
@@ -1363,7 +1363,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bits)
 
 		err = ntfs_vbo_to_lbo(sbi, &wnd->run, vbo, &lbo, &bytes);
 		if (err)
-			break;
+			return err;
 
 		bh = ntfs_bread(sb, lbo >> sb->s_blocksize_bits);
 		if (!bh)

index 6f9f7a0723128..7447dec5ce221 100644
@@ -2141,13 +2141,19 @@ static ssize_t dasd_copy_pair_store(struct device *dev,
 
 	/* allocate primary devmap if needed */
 	prim_devmap = dasd_find_busid(prim_busid);
-	if (IS_ERR(prim_devmap))
+	if (IS_ERR(prim_devmap)) {
 		prim_devmap = dasd_add_busid(prim_busid, DASD_FEATURE_DEFAULT);
+		if (IS_ERR(prim_devmap))
+			return PTR_ERR(prim_devmap);
+	}
 
 	/* allocate secondary devmap if needed */
 	sec_devmap = dasd_find_busid(sec_busid);
-	if (IS_ERR(sec_devmap))
+	if (IS_ERR(sec_devmap)) {
 		sec_devmap = dasd_add_busid(sec_busid, DASD_FEATURE_DEFAULT);
+		if (IS_ERR(sec_devmap))
+			return PTR_ERR(sec_devmap);
+	}
 
 	/* setting copy relation is only allowed for offline secondary */
 	if (sec_devmap->device)

@@ -14,8 +14,8 @@
 #include "ruleset.h"
 #include "setup.h"
 
-static int hook_cred_prepare(struct cred *const new,
-			     const struct cred *const old, const gfp_t gfp)
+static void hook_cred_transfer(struct cred *const new,
+			       const struct cred *const old)
 {
 	struct landlock_ruleset *const old_dom = landlock_cred(old)->domain;
 

@@ -23,6 +23,12 @@ static int hook_cred_prepare(struct cred
 		landlock_get_ruleset(old_dom);
 		landlock_cred(new)->domain = old_dom;
 	}
+}
+
+static int hook_cred_prepare(struct cred *const new,
+			     const struct cred *const old, const gfp_t gfp)
+{
+	hook_cred_transfer(new, old);
 	return 0;
 }
 

@@ -36,6 +42,7 @@ static void hook_cred_free(struct cred *
 
 static struct security_hook_list landlock_hooks[] __lsm_ro_after_init = {
 	LSM_HOOK_INIT(cred_prepare, hook_cred_prepare),
+	LSM_HOOK_INIT(cred_transfer, hook_cred_transfer),
 	LSM_HOOK_INIT(cred_free, hook_cred_free),
 };
 

@@ -600,6 +600,7 @@ HPAGEFLAG(VmemmapOptimized, vmemmap_opti
 /* Defines one hugetlb page size */
 struct hstate {
 	struct mutex resize_lock;
+	struct lock_class_key resize_key;
 	int next_nid_to_alloc;
 	int next_nid_to_free;
 	unsigned int order;

@@ -3717,7 +3717,7 @@ void __init hugetlb_add_hstate(unsigned
 	BUG_ON(hugetlb_max_hstate >= HUGE_MAX_HSTATE);
 	BUG_ON(order == 0);
 	h = &hstates[hugetlb_max_hstate++];
-	mutex_init(&h->resize_lock);
+	__mutex_init(&h->resize_lock, "resize mutex", &h->resize_key);
 	h->order = order;
 	h->mask = ~(huge_page_size(h) - 1);
 	for (i = 0; i < MAX_NUMNODES; ++i)

@@ -19,14 +19,7 @@ EXPORT_TRACEPOINT_SYMBOL(mmap_lock_relea
 
 #ifdef CONFIG_MEMCG
 
-/*
- * Our various events all share the same buffer (because we don't want or need
- * to allocate a set of buffers *per event type*), so we need to protect against
- * concurrent _reg() and _unreg() calls, and count how many _reg() calls have
- * been made.
- */
-static DEFINE_MUTEX(reg_lock);
-static int reg_refcount; /* Protected by reg_lock. */
+static atomic_t reg_refcount;
 
 /*
  * Size of the buffer for memcg path names. Ignoring stack trace support,

@@ -34,136 +27,22 @@ static int reg_refcount; /* Protected by
  */
 #define MEMCG_PATH_BUF_SIZE MAX_FILTER_STR_VAL
 
-/*
- * How many contexts our trace events might be called in: normal, softirq, irq,
- * and NMI.
- */
-#define CONTEXT_COUNT 4
-
-struct memcg_path {
-	local_lock_t lock;
-	char __rcu *buf;
-	local_t buf_idx;
-};
-static DEFINE_PER_CPU(struct memcg_path, memcg_paths) = {
-	.lock = INIT_LOCAL_LOCK(lock),
-	.buf_idx = LOCAL_INIT(0),
-};
-
-static char **tmp_bufs;
-
-/* Called with reg_lock held. */
-static void free_memcg_path_bufs(void)
-{
-	struct memcg_path *memcg_path;
-	int cpu;
-	char **old = tmp_bufs;
-
-	for_each_possible_cpu(cpu) {
-		memcg_path = per_cpu_ptr(&memcg_paths, cpu);
-		*(old++) = rcu_dereference_protected(memcg_path->buf,
-			lockdep_is_held(&reg_lock));
-		rcu_assign_pointer(memcg_path->buf, NULL);
-	}
-
-	/* Wait for inflight memcg_path_buf users to finish. */
-	synchronize_rcu();
-
-	old = tmp_bufs;
-	for_each_possible_cpu(cpu) {
-		kfree(*(old++));
-	}
-
-	kfree(tmp_bufs);
-	tmp_bufs = NULL;
-}
-
 int trace_mmap_lock_reg(void)
 {
-	int cpu;
-	char *new;
-
-	mutex_lock(&reg_lock);
-
-	/* If the refcount is going 0->1, proceed with allocating buffers. */
-	if (reg_refcount++)
-		goto out;
-
-	tmp_bufs = kmalloc_array(num_possible_cpus(), sizeof(*tmp_bufs),
-				 GFP_KERNEL);
-	if (tmp_bufs == NULL)
-		goto out_fail;
-
-	for_each_possible_cpu(cpu) {
-		new = kmalloc(MEMCG_PATH_BUF_SIZE * CONTEXT_COUNT, GFP_KERNEL);
-		if (new == NULL)
-			goto out_fail_free;
-		rcu_assign_pointer(per_cpu_ptr(&memcg_paths, cpu)->buf, new);
-		/* Don't need to wait for inflights, they'd have gotten NULL. */
-	}
-
-out:
-	mutex_unlock(&reg_lock);
+	atomic_inc(&reg_refcount);
 	return 0;
-
-out_fail_free:
-	free_memcg_path_bufs();
-out_fail:
-	/* Since we failed, undo the earlier ref increment. */
-	--reg_refcount;
-
-	mutex_unlock(&reg_lock);
-	return -ENOMEM;
 }
 
 void trace_mmap_lock_unreg(void)
 {
-	mutex_lock(&reg_lock);
-
-	/* If the refcount is going 1->0, proceed with freeing buffers. */
-	if (--reg_refcount)
-		goto out;
-
-	free_memcg_path_bufs();
-
-out:
-	mutex_unlock(&reg_lock);
-}
-
-static inline char *get_memcg_path_buf(void)
-{
-	struct memcg_path *memcg_path = this_cpu_ptr(&memcg_paths);
-	char *buf;
-	int idx;
-
-	rcu_read_lock();
-	buf = rcu_dereference(memcg_path->buf);
-	if (buf == NULL) {
-		rcu_read_unlock();
-		return NULL;
-	}
-	idx = local_add_return(MEMCG_PATH_BUF_SIZE, &memcg_path->buf_idx) -
-	      MEMCG_PATH_BUF_SIZE;
-	return &buf[idx];
+	atomic_dec(&reg_refcount);
 }
 
-static inline void put_memcg_path_buf(void)
-{
-	local_sub(MEMCG_PATH_BUF_SIZE, &this_cpu_ptr(&memcg_paths)->buf_idx);
-	rcu_read_unlock();
-}
-
-#define TRACE_MMAP_LOCK_EVENT(type, mm, ...)                                   \
-	do {                                                                   \
-		const char *memcg_path;                                        \
-		local_lock(&memcg_paths.lock);                                 \
-		memcg_path = get_mm_memcg_path(mm);                            \
-		trace_mmap_lock_##type(mm,                                     \
-				       memcg_path != NULL ? memcg_path : "",   \
-				       ##__VA_ARGS__);                         \
-		if (likely(memcg_path != NULL))                                \
-			put_memcg_path_buf();                                  \
-		local_unlock(&memcg_paths.lock);                               \
+#define TRACE_MMAP_LOCK_EVENT(type, mm, ...)                    \
+	do {                                                    \
+		char buf[MEMCG_PATH_BUF_SIZE];                  \
+		get_mm_memcg_path(mm, buf, sizeof(buf));        \
+		trace_mmap_lock_##type(mm, buf, ##__VA_ARGS__); \
 	} while (0)
 
 #else /* !CONFIG_MEMCG */

@@ -185,37 +64,23 @@ void trace_mmap_lock_unreg(void)
 #ifdef CONFIG_TRACING
 #ifdef CONFIG_MEMCG
 /*
- * Write the given mm_struct's memcg path to a percpu buffer, and return a
- * pointer to it. If the path cannot be determined, or no buffer was available
- * (because the trace event is being unregistered), NULL is returned.
- *
- * Note: buffers are allocated per-cpu to avoid locking, so preemption must be
- * disabled by the caller before calling us, and re-enabled only after the
- * caller is done with the pointer.
- *
- * The caller must call put_memcg_path_buf() once the buffer is no longer
- * needed. This must be done while preemption is still disabled.
+ * Write the given mm_struct's memcg path to a buffer. If the path cannot be
+ * determined or the trace event is being unregistered, empty string is written.
  */
-static const char *get_mm_memcg_path(struct mm_struct *mm)
+static void get_mm_memcg_path(struct mm_struct *mm, char *buf, size_t buflen)
 {
-	char *buf = NULL;
-	struct mem_cgroup *memcg = get_mem_cgroup_from_mm(mm);
+	struct mem_cgroup *memcg;
 
+	buf[0] = '\0';
+	/* No need to get path if no trace event is registered. */
+	if (!atomic_read(&reg_refcount))
+		return;
+	memcg = get_mem_cgroup_from_mm(mm);
 	if (memcg == NULL)
-		goto out;
-	if (unlikely(memcg->css.cgroup == NULL))
-		goto out_put;
-
-	buf = get_memcg_path_buf();
-	if (buf == NULL)
-		goto out_put;
-
-	cgroup_path(memcg->css.cgroup, buf, MEMCG_PATH_BUF_SIZE);
-
-out_put:
+		return;
+	if (memcg->css.cgroup)
+		cgroup_path(memcg->css.cgroup, buf, buflen);
 	css_put(&memcg->css);
-out:
-	return buf;
 }
 
 #endif /* CONFIG_MEMCG */

@@ -1137,6 +1137,7 @@ void tick_broadcast_switch_to_oneshot(vo
 #ifdef CONFIG_HOTPLUG_CPU
 void hotplug_cpu__broadcast_tick_pull(int deadcpu)
 {
+	struct tick_device *td = this_cpu_ptr(&tick_cpu_device);
 	struct clock_event_device *bc;
 	unsigned long flags;
 

@@ -1144,6 +1145,28 @@ void hotplug_cpu__broadcast_tick_pull(in
 	bc = tick_broadcast_device.evtdev;
 
 	if (bc && broadcast_needs_cpu(bc, deadcpu)) {
+		/*
+		 * If the broadcast force bit of the current CPU is set,
+		 * then the current CPU has not yet reprogrammed the local
+		 * timer device to avoid a ping-pong race. See
+		 * ___tick_broadcast_oneshot_control().
+		 *
+		 * If the broadcast device is hrtimer based then
+		 * programming the broadcast event below does not have any
+		 * effect because the local clockevent device is not
+		 * running and not programmed because the broadcast event
+		 * is not earlier than the pending event of the local clock
+		 * event device. As a consequence all CPUs waiting for a
+		 * broadcast event are stuck forever.
+		 *
+		 * Detect this condition and reprogram the cpu local timer
+		 * device to avoid the starvation.
+		 */
+		if (tick_check_broadcast_expired()) {
+			cpumask_clear_cpu(smp_processor_id(), tick_broadcast_force_mask);
+			tick_program_event(td->evtdev->next_event, 1);
+		}
+
 		/* This moves the broadcast assignment to this CPU: */
 		clockevents_program_event(bc, bc->next_event, 1);
 	}

@@ -716,6 +716,7 @@ restart:
 				/* rtnl_lock already held
 				 * we might sleep in __netpoll_cleanup()
 				 */
+				nt->enabled = false;
 				spin_unlock_irqrestore(&target_list_lock, flags);
 
 				__netpoll_cleanup(&nt->np);

@@ -723,7 +724,6 @@ restart:
 				spin_lock_irqsave(&target_list_lock, flags);
 				dev_put(nt->np.dev);
 				nt->np.dev = NULL;
-				nt->enabled = false;
 				stopped = true;
 				netconsole_target_put(nt);
 				goto restart;

@@ -505,6 +505,61 @@ static void *packet_current_frame(struct
 	return packet_lookup_frame(po, rb, rb->head, status);
 }
 
+static u16 vlan_get_tci(struct sk_buff *skb, struct net_device *dev)
+{
+	u8 *skb_orig_data = skb->data;
+	int skb_orig_len = skb->len;
+	struct vlan_hdr vhdr, *vh;
+	unsigned int header_len;
+
+	if (!dev)
+		return 0;
+
+	/* In the SOCK_DGRAM scenario, skb data starts at the network
+	 * protocol, which is after the VLAN headers. The outer VLAN
+	 * header is at the hard_header_len offset in non-variable
+	 * length link layer headers. If it's a VLAN device, the
+	 * min_header_len should be used to exclude the VLAN header
+	 * size.
+	 */
+	if (dev->min_header_len == dev->hard_header_len)
+		header_len = dev->hard_header_len;
+	else if (is_vlan_dev(dev))
+		header_len = dev->min_header_len;
+	else
+		return 0;
+
+	skb_push(skb, skb->data - skb_mac_header(skb));
+	vh = skb_header_pointer(skb, header_len, sizeof(vhdr), &vhdr);
+	if (skb_orig_data != skb->data) {
+		skb->data = skb_orig_data;
+		skb->len = skb_orig_len;
+	}
+	if (unlikely(!vh))
+		return 0;
+
+	return ntohs(vh->h_vlan_TCI);
+}
+
+static __be16 vlan_get_protocol_dgram(struct sk_buff *skb)
+{
+	__be16 proto = skb->protocol;
+
+	if (unlikely(eth_type_vlan(proto))) {
+		u8 *skb_orig_data = skb->data;
+		int skb_orig_len = skb->len;
+
+		skb_push(skb, skb->data - skb_mac_header(skb));
+		proto = __vlan_get_protocol(skb, proto, NULL);
+		if (skb_orig_data != skb->data) {
+			skb->data = skb_orig_data;
+			skb->len = skb_orig_len;
+		}
+	}
+
+	return proto;
+}
+
 static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)
 {
 	del_timer_sync(&pkc->retire_blk_timer);

@@ -974,10 +1029,16 @@ static void prb_clear_rxhash(struct tpac
 static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,
 			struct tpacket3_hdr *ppd)
 {
+	struct packet_sock *po = container_of(pkc, struct packet_sock, rx_ring.prb_bdqc);
+
 	if (skb_vlan_tag_present(pkc->skb)) {
 		ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);
 		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);
 		ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+	} else if (unlikely(po->sk.sk_type == SOCK_DGRAM && eth_type_vlan(pkc->skb->protocol))) {
+		ppd->hv1.tp_vlan_tci = vlan_get_tci(pkc->skb, pkc->skb->dev);
+		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->protocol);
+		ppd->tp_status = TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
 	} else {
 		ppd->hv1.tp_vlan_tci = 0;
 		ppd->hv1.tp_vlan_tpid = 0;

@@ -2393,6 +2454,10 @@ static int tpacket_rcv(struct sk_buff *s
 			h.h2->tp_vlan_tci = skb_vlan_tag_get(skb);
 			h.h2->tp_vlan_tpid = ntohs(skb->vlan_proto);
 			status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+		} else if (unlikely(sk->sk_type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) {
+			h.h2->tp_vlan_tci = vlan_get_tci(skb, skb->dev);
+			h.h2->tp_vlan_tpid = ntohs(skb->protocol);
+			status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
 		} else {
 			h.h2->tp_vlan_tci = 0;
 			h.h2->tp_vlan_tpid = 0;

@@ -2422,7 +2487,8 @@ static int tpacket_rcv(struct sk_buff *s
 	sll->sll_halen = dev_parse_header(skb, sll->sll_addr);
 	sll->sll_family = AF_PACKET;
 	sll->sll_hatype = dev->type;
-	sll->sll_protocol = skb->protocol;
+	sll->sll_protocol = (sk->sk_type == SOCK_DGRAM) ?
+		vlan_get_protocol_dgram(skb) : skb->protocol;
 	sll->sll_pkttype = skb->pkt_type;
 	if (unlikely(packet_sock_flag(po, PACKET_SOCK_ORIGDEV)))
 		sll->sll_ifindex = orig_dev->ifindex;

@@ -3447,7 +3513,8 @@ static int packet_recvmsg(struct socket
 		/* Original length was stored in sockaddr_ll fields */
 		origlen = PACKET_SKB_CB(skb)->sa.origlen;
 		sll->sll_family = AF_PACKET;
-		sll->sll_protocol = skb->protocol;
+		sll->sll_protocol = (sock->type == SOCK_DGRAM) ?
+			vlan_get_protocol_dgram(skb) : skb->protocol;
 	}
 
 	sock_recv_ts_and_drops(msg, sk, skb);

@@ -3502,6 +3569,21 @@ static int packet_recvmsg(struct socket
 			aux.tp_vlan_tci = skb_vlan_tag_get(skb);
 			aux.tp_vlan_tpid = ntohs(skb->vlan_proto);
 			aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+		} else if (unlikely(sock->type == SOCK_DGRAM && eth_type_vlan(skb->protocol))) {
+			struct sockaddr_ll *sll = &PACKET_SKB_CB(skb)->sa.ll;
+			struct net_device *dev;
+
+			rcu_read_lock();
+			dev = dev_get_by_index_rcu(sock_net(sk), sll->sll_ifindex);
+			if (dev) {
+				aux.tp_vlan_tci = vlan_get_tci(skb, dev);
+				aux.tp_vlan_tpid = ntohs(skb->protocol);
+				aux.tp_status |= TP_STATUS_VLAN_VALID | TP_STATUS_VLAN_TPID_VALID;
+			} else {
+				aux.tp_vlan_tci = 0;
+				aux.tp_vlan_tpid = 0;
+			}
+			rcu_read_unlock();
 		} else {
 			aux.tp_vlan_tci = 0;
 			aux.tp_vlan_tpid = 0;

@@ -1831,7 +1831,8 @@ int ipv6_dev_get_saddr(struct net *net,
 							    master, &dst,
 							    scores, hiscore_idx);
 
-			if (scores[hiscore_idx].ifa)
+			if (scores[hiscore_idx].ifa &&
+			    scores[hiscore_idx].scopedist >= 0)
 				goto out;
 		}
 

@@ -1203,27 +1203,24 @@ int tg_nop(struct task_group *tg, void *
 static void set_load_weight(struct task_struct *p, bool update_load)
 {
 	int prio = p->static_prio - MAX_RT_PRIO;
-	struct load_weight *load = &p->se.load;
+	struct load_weight lw;
 
-	/*
-	 * SCHED_IDLE tasks get minimal weight:
-	 */
 	if (task_has_idle_policy(p)) {
-		load->weight = scale_load(WEIGHT_IDLEPRIO);
-		load->inv_weight = WMULT_IDLEPRIO;
-		return;
+		lw.weight = scale_load(WEIGHT_IDLEPRIO);
+		lw.inv_weight = WMULT_IDLEPRIO;
+	} else {
+		lw.weight = scale_load(sched_prio_to_weight[prio]);
+		lw.inv_weight = sched_prio_to_wmult[prio];
 	}
 
 	/*
 	 * SCHED_OTHER tasks have to update their load when changing their
 	 * weight
 	 */
-	if (update_load && p->sched_class == &fair_sched_class) {
-		reweight_task(p, prio);
-	} else {
-		load->weight = scale_load(sched_prio_to_weight[prio]);
-		load->inv_weight = sched_prio_to_wmult[prio];
-	}
+	if (update_load && p->sched_class == &fair_sched_class)
+		reweight_task(p, &lw);
+	else
+		p->se.load = lw;
 }
 
 #ifdef CONFIG_UCLAMP_TASK

@@ -3121,15 +3121,14 @@ static void reweight_entity(struct cfs_r
 
 }
 
-void reweight_task(struct task_struct *p, int prio)
+void reweight_task(struct task_struct *p, const struct load_weight *lw)
 {
 	struct sched_entity *se = &p->se;
 	struct cfs_rq *cfs_rq = cfs_rq_of(se);
 	struct load_weight *load = &se->load;
-	unsigned long weight = scale_load(sched_prio_to_weight[prio]);
 
-	reweight_entity(cfs_rq, se, weight);
-	load->inv_weight = sched_prio_to_wmult[prio];
+	reweight_entity(cfs_rq, se, lw->weight);
+	load->inv_weight = lw->inv_weight;
 }
 
 #ifdef CONFIG_FAIR_GROUP_SCHED

@@ -2322,7 +2322,7 @@ extern void init_sched_dl_class(void);
 extern void init_sched_rt_class(void);
 extern void init_sched_fair_class(void);
 
-extern void reweight_task(struct task_struct *p, int prio);
+extern void reweight_task(struct task_struct *p, const struct load_weight *lw);
 
 extern void resched_curr(struct rq *rq);
 extern void resched_cpu(int cpu);

@@ -686,6 +686,8 @@ static int fuse_parse_param(struct fs_co
 	struct fs_parse_result result;
 	struct fuse_fs_context *ctx = fsc->fs_private;
 	int opt;
+	kuid_t kuid;
+	kgid_t kgid;
 
 	if (fsc->purpose == FS_CONTEXT_FOR_RECONFIGURE) {
 		/*

@@ -730,16 +732,30 @@ static int fuse_parse_param(struct fs_co
 		break;
 
 	case OPT_USER_ID:
-		ctx->user_id = make_kuid(fsc->user_ns, result.uint_32);
-		if (!uid_valid(ctx->user_id))
+		kuid =  make_kuid(fsc->user_ns, result.uint_32);
+		if (!uid_valid(kuid))
 			return invalfc(fsc, "Invalid user_id");
+		/*
+		 * The requested uid must be representable in the
+		 * filesystem's idmapping.
+		 */
+		if (!kuid_has_mapping(fsc->user_ns, kuid))
+			return invalfc(fsc, "Invalid user_id");
+		ctx->user_id = kuid;
 		ctx->user_id_present = true;
 		break;
 
 	case OPT_GROUP_ID:
-		ctx->group_id = make_kgid(fsc->user_ns, result.uint_32);
-		if (!gid_valid(ctx->group_id))
+		kgid = make_kgid(fsc->user_ns, result.uint_32);;
+		if (!gid_valid(kgid))
+			return invalfc(fsc, "Invalid group_id");
+		/*
+		 * The requested gid must be representable in the
+		 * filesystem's idmapping.
+		 */
+		if (!kgid_has_mapping(fsc->user_ns, kgid))
 			return invalfc(fsc, "Invalid group_id");
+		ctx->group_id = kgid;
 		ctx->group_id_present = true;
 		break;
 

@@ -47,6 +47,8 @@ static int tpm_bios_measurements_open(st
 	if (!err) {
 		seq = file->private_data;
 		seq->private = chip;
+	} else {
+		put_device(&chip->dev);
 	}
 
 	return err;

@@ -1632,6 +1632,7 @@ static int vdec_close(struct file *file)
 
 	vdec_pm_get(inst);
 
+	cancel_work_sync(&inst->delayed_process_work);
 	v4l2_m2m_ctx_release(inst->m2m_ctx);
 	v4l2_m2m_release(inst->m2m_dev);
 	vdec_ctrl_deinit(inst);

@@ -872,11 +872,8 @@ static void ata_gen_passthru_sense(struc
 				   &sense_key, &asc, &ascq, verbose);
 		ata_scsi_set_sense(qc->dev, cmd, sense_key, asc, ascq);
 	} else {
-		/*
-		 * ATA PASS-THROUGH INFORMATION AVAILABLE
-		 * Always in descriptor format sense.
-		 */
-		scsi_build_sense(cmd, 1, RECOVERED_ERROR, 0, 0x1D);
+		/* ATA PASS-THROUGH INFORMATION AVAILABLE */
+		ata_scsi_set_sense(qc->dev, cmd, RECOVERED_ERROR, 0, 0x1D);
 	}
 
 	if ((cmd->sense_buffer[0] & 0x7f) >= 0x72) {

@@ -202,6 +202,7 @@ struct inode *hfs_new_inode(struct inode
 	HFS_I(inode)->flags = 0;
 	HFS_I(inode)->rsrc_inode = NULL;
 	HFS_I(inode)->fs_blocks = 0;
+	HFS_I(inode)->tz_secondswest = sys_tz.tz_minuteswest * 60;
 	if (S_ISDIR(mode)) {
 		inode->i_size = 2;
 		HFS_SB(sb)->folder_count++;

@@ -277,6 +278,8 @@ void hfs_inode_read_fork(struct inode *i
 	for (count = 0, i = 0; i < 3; i++)
 		count += be16_to_cpu(ext[i].count);
 	HFS_I(inode)->first_blocks = count;
+	HFS_I(inode)->cached_start = 0;
+	HFS_I(inode)->cached_blocks = 0;
 
 	inode->i_size = HFS_I(inode)->phys_size = log_size;
 	HFS_I(inode)->fs_blocks = (log_size + sb->s_blocksize - 1) >> sb->s_blocksize_bits;

@@ -79,26 +79,33 @@ static int ext2_valid_block_bitmap(struc
 	ext2_grpblk_t next_zero_bit;
 	ext2_fsblk_t bitmap_blk;
 	ext2_fsblk_t group_first_block;
+	ext2_grpblk_t max_bit;
 
 	group_first_block = ext2_group_first_block_no(sb, block_group);
+	max_bit = ext2_group_last_block_no(sb, block_group) - group_first_block;
 
 	/* check whether block bitmap block number is set */
 	bitmap_blk = le32_to_cpu(desc->bg_block_bitmap);
 	offset = bitmap_blk - group_first_block;
-	if (!ext2_test_bit(offset, bh->b_data))
+	if (offset < 0 || offset > max_bit ||
+	    !ext2_test_bit(offset, bh->b_data))
 		/* bad block bitmap */
 		goto err_out;
 
 	/* check whether the inode bitmap block number is set */
 	bitmap_blk = le32_to_cpu(desc->bg_inode_bitmap);
 	offset = bitmap_blk - group_first_block;
-	if (!ext2_test_bit(offset, bh->b_data))
+	if (offset < 0 || offset > max_bit ||
+	    !ext2_test_bit(offset, bh->b_data))
 		/* bad block bitmap */
 		goto err_out;
 
 	/* check whether the inode table block number is set */
 	bitmap_blk = le32_to_cpu(desc->bg_inode_table);
 	offset = bitmap_blk - group_first_block;
+	if (offset < 0 || offset > max_bit ||
+	    offset + EXT2_SB(sb)->s_itb_per_group - 1 > max_bit)
+		goto err_out;
 	next_zero_bit = ext2_find_next_zero_bit(bh->b_data,
 				offset + EXT2_SB(sb)->s_itb_per_group,
 				offset);

@@ -310,6 +310,9 @@ static int cdv_intel_lvds_get_modes(stru
 	if (mode_dev->panel_fixed_mode != NULL) {
 		struct drm_display_mode *mode =
 		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+		if (!mode)
+			return 0;
+
 		drm_mode_probed_add(connector, mode);
 		return 1;
 	}

@@ -508,6 +508,9 @@ static int psb_intel_lvds_get_modes(stru
 	if (mode_dev->panel_fixed_mode != NULL) {
 		struct drm_display_mode *mode =
 		    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
+		if (!mode)
+			return 0;
+
 		drm_mode_probed_add(connector, mode);
 		return 1;
 	}

@@ -1709,7 +1709,7 @@ qla2x00_hba_attributes(scsi_qla_host_t *
 	eiter->type = cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
 	alen = scnprintf(
 		eiter->a.orom_version, sizeof(eiter->a.orom_version),
-		"%d.%02d", ha->bios_revision[1], ha->bios_revision[0]);
+		"%d.%02d", ha->efi_revision[1], ha->efi_revision[0]);
 	alen += FDMI_ATTR_ALIGNMENT(alen);
 	alen += FDMI_ATTR_TYPELEN(eiter);
 	eiter->len = cpu_to_be16(alen);

@@ -154,7 +154,8 @@ const struct dc_plane_status *dc_plane_g
 		if (pipe_ctx->plane_state != plane_state)
 			continue;
 
-		pipe_ctx->plane_state->status.is_flip_pending = false;
+		if (pipe_ctx->plane_state)
+			pipe_ctx->plane_state->status.is_flip_pending = false;
 
 		break;
 	}

@@ -8241,7 +8241,7 @@ static int detach_tasks(struct lb_env *e
 		case migrate_util:
 			util = task_util_est(p);
 
-			if (util > env->imbalance)
+			if (shr_bound(util, env->sd->nr_balance_failed) > env->imbalance)
 				goto next;
 
 			env->imbalance -= util;

@@ -187,7 +187,7 @@ static void aa_free_data(void *ptr, void
 {
 	struct aa_data *data = ptr;
 
-	kfree_sensitive(data->data);
+	kvfree_sensitive(data->data, data->size);
 	kfree_sensitive(data->key);
 	kfree_sensitive(data);
 }

@@ -915,6 +915,7 @@ static struct aa_profile *unpack_profile
 
 			if (rhashtable_insert_fast(profile->data, &data->head,
 						   profile->data->p)) {
+				kvfree_sensitive(data->data, data->size);
 				kfree_sensitive(data->key);
 				kfree_sensitive(data);
 				info = "failed to insert data to table";

@@ -24,7 +24,7 @@ int task_work_add(struct task_struct *ta
 
 struct callback_head *task_work_cancel_match(struct task_struct *task,
 	bool (*match)(struct callback_head *, void *data), void *data);
-struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
+struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t);
 void task_work_run(void);
 
 static inline void exit_task_work(struct task_struct *task)

@@ -1330,7 +1330,7 @@ static int irq_thread(void *data)
 	 * synchronize_hardirq(). So neither IRQTF_RUNTHREAD nor the
 	 * oneshot mask bit can be set.
 	 */
-	task_work_cancel(current, irq_thread_dtor);
+	task_work_cancel_func(current, irq_thread_dtor);
 	return 0;
 }
 

@@ -104,9 +104,9 @@ static bool task_work_func_match(struct
 }
 
 /**
- * task_work_cancel - cancel a pending work added by task_work_add()
- * @task: the task which should execute the work
- * @func: identifies the work to remove
+ * task_work_cancel_func - cancel a pending work matching a function added by task_work_add()
+ * @task: the task which should execute the func's work
+ * @func: identifies the func to match with a work to remove
  *
  * Find the last queued pending work with ->func == @func and remove
  * it from queue.

@@ -115,7 +115,7 @@ static bool task_work_func_match(struct
  * The found work or NULL if not found.
  */
 struct callback_head *
-task_work_cancel(struct task_struct *task, task_work_func_t func)
+task_work_cancel_func(struct task_struct *task, task_work_func_t func)
 {
 	return task_work_cancel_match(task, task_work_func_match, func);
 }

@@ -152,7 +152,7 @@ void task_work_run(void)
 		if (!work)
 			break;
 		/*
-		 * Synchronize with task_work_cancel(). It can not remove
+		 * Synchronize with task_work_cancel_match(). It can not remove
 		 * the first entry == work, cmpxchg(task_works) must fail.
 		 * But it can remove another entry from the ->next list.
 		 */

@@ -1694,7 +1694,7 @@ long keyctl_session_to_parent(void)
 		goto unlock;
 
 	/* cancel an already pending keyring replacement */
-	oldwork = task_work_cancel(parent, key_change_session_keyring);
+	oldwork = task_work_cancel_func(parent, key_change_session_keyring);
 
 	/* the replacement session keyring is applied just prior to userspace
 	 * restarting */

@@ -25,6 +25,7 @@ int task_work_add(struct task_struct *ta
 struct callback_head *task_work_cancel_match(struct task_struct *task,
 	bool (*match)(struct callback_head *, void *data), void *data);
 struct callback_head *task_work_cancel_func(struct task_struct *, task_work_func_t);
+bool task_work_cancel(struct task_struct *task, struct callback_head *cb);
 void task_work_run(void);
 
 static inline void exit_task_work(struct task_struct *task)

@@ -120,6 +120,30 @@ task_work_cancel_func(struct task_struct
 	return task_work_cancel_match(task, task_work_func_match, func);
 }
 
+static bool task_work_match(struct callback_head *cb, void *data)
+{
+	return cb == data;
+}
+
+/**
+ * task_work_cancel - cancel a pending work added by task_work_add()
+ * @task: the task which should execute the work
+ * @cb: the callback to remove if queued
+ *
+ * Remove a callback from a task's queue if queued.
+ *
+ * RETURNS:
+ * True if the callback was queued and got cancelled, false otherwise.
+ */
+bool task_work_cancel(struct task_struct *task, struct callback_head *cb)
+{
+	struct callback_head *ret;
+
+	ret = task_work_cancel_match(task, task_work_match, cb);
+
+	return ret == cb;
+}
+
 /**
  * task_work_run - execute the works added by task_work_add()
  *

@@ -68,8 +68,12 @@ static int read_block_bitmap(struct supe
 	}
 
 	for (i = 0; i < count; i++)
-		if (udf_test_bit(i + off, bh->b_data))
+		if (udf_test_bit(i + off, bh->b_data)) {
+			bitmap->s_block_bitmap[bitmap_nr] =
+							ERR_PTR(-EFSCORRUPTED);
+			brelse(bh);
 			return -EFSCORRUPTED;
+		}
 	return 0;
 }
 

@@ -85,8 +89,15 @@ static int __load_block_bitmap(struct su
 			  block_group, nr_groups);
 	}
 
-	if (bitmap->s_block_bitmap[block_group])
+	if (bitmap->s_block_bitmap[block_group]) {
+		/*
+		 * The bitmap failed verification in the past. No point in
+		 * trying again.
+		 */
+		if (IS_ERR(bitmap->s_block_bitmap[block_group]))
+			return PTR_ERR(bitmap->s_block_bitmap[block_group]);
 		return block_group;
+	}
 
 	retval = read_block_bitmap(sb, bitmap, block_group, block_group);
 	if (retval < 0)

@@ -266,7 +266,8 @@ static void udf_sb_free_bitmap(struct ud
 	int nr_groups = bitmap->s_nr_groups;
 
 	for (i = 0; i < nr_groups; i++)
-		brelse(bitmap->s_block_bitmap[i]);
+		if (!IS_ERR_OR_NULL(bitmap->s_block_bitmap[i]))
+			brelse(bitmap->s_block_bitmap[i]);
 
 	kvfree(bitmap);
 }

@@ -179,6 +179,15 @@ int __init amiga_parse_bootinfo(const st
 			dev->slotsize = be16_to_cpu(cd->cd_SlotSize);
 			dev->boardaddr = be32_to_cpu(cd->cd_BoardAddr);
 			dev->boardsize = be32_to_cpu(cd->cd_BoardSize);
+
+			/* CS-LAB Warp 1260 workaround */
+			if (be16_to_cpu(dev->rom.er_Manufacturer) == ZORRO_MANUF(ZORRO_PROD_CSLAB_WARP_1260) &&
+			    dev->rom.er_Product == ZORRO_PROD(ZORRO_PROD_CSLAB_WARP_1260)) {
+
+				/* turn off all interrupts */
+				pr_info("Warp 1260 card detected: applying interrupt storm workaround\n");
+				*(uint32_t *)(dev->boardaddr + 0x1000) = 0xfff;
+			}
 		} else
 			pr_warn("amiga_parse_bootinfo: too many AutoConfig devices\n");
 #endif /* CONFIG_ZORRO */

@@ -449,6 +449,9 @@
 #define  ZORRO_PROD_VMC_ISDN_BLASTER_Z2				ZORRO_ID(VMC, 0x01, 0)
 #define  ZORRO_PROD_VMC_HYPERCOM_4				ZORRO_ID(VMC, 0x02, 0)
 
+#define ZORRO_MANUF_CSLAB					0x1400
+#define  ZORRO_PROD_CSLAB_WARP_1260				ZORRO_ID(CSLAB, 0x65, 0)
+
 #define ZORRO_MANUF_INFORMATION					0x157C
 #define  ZORRO_PROD_INFORMATION_ISDN_ENGINE_I			ZORRO_ID(INFORMATION, 0x64, 0)
 

@@ -2218,6 +2218,52 @@ static int add_dirent_to_buf(handle_t *h
 	return err ? err : err2;
 }
 
+static bool ext4_check_dx_root(struct inode *dir, struct dx_root *root)
+{
+	struct fake_dirent *fde;
+	const char *error_msg;
+	unsigned int rlen;
+	unsigned int blocksize = dir->i_sb->s_blocksize;
+	char *blockend = (char *)root + dir->i_sb->s_blocksize;
+
+	fde = &root->dot;
+	if (unlikely(fde->name_len != 1)) {
+		error_msg = "invalid name_len for '.'";
+		goto corrupted;
+	}
+	if (unlikely(strncmp(root->dot_name, ".", fde->name_len))) {
+		error_msg = "invalid name for '.'";
+		goto corrupted;
+	}
+	rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize);
+	if (unlikely((char *)fde + rlen >= blockend)) {
+		error_msg = "invalid rec_len for '.'";
+		goto corrupted;
+	}
+
+	fde = &root->dotdot;
+	if (unlikely(fde->name_len != 2)) {
+		error_msg = "invalid name_len for '..'";
+		goto corrupted;
+	}
+	if (unlikely(strncmp(root->dotdot_name, "..", fde->name_len))) {
+		error_msg = "invalid name for '..'";
+		goto corrupted;
+	}
+	rlen = ext4_rec_len_from_disk(fde->rec_len, blocksize);
+	if (unlikely((char *)fde + rlen >= blockend)) {
+		error_msg = "invalid rec_len for '..'";
+		goto corrupted;
+	}
+
+	return true;
+
+corrupted:
+	EXT4_ERROR_INODE(dir, "Corrupt dir, %s, running e2fsck is recommended",
+			 error_msg);
+	return false;
+}
+
 /*
  * This converts a one block unindexed directory to a 3 block indexed
  * directory, and adds the dentry to the indexed directory.

@@ -2252,17 +2298,17 @@ static int make_indexed_dir(handle_t *ha
 		brelse(bh);
 		return retval;
 	}
+
 	root = (struct dx_root *) bh->b_data;
+	if (!ext4_check_dx_root(dir, root)) {
+		brelse(bh);
+		return -EFSCORRUPTED;
+	}
 
 	/* The 0th block becomes the root, move the dirents out */
 	fde = &root->dotdot;
 	de = (struct ext4_dir_entry_2 *)((char *)fde +
 		ext4_rec_len_from_disk(fde->rec_len, blocksize));
-	if ((char *) de >= (((char *) root) + blocksize)) {
-		EXT4_ERROR_INODE(dir, "invalid rec_len for '..'");
-		brelse(bh);
-		return -EFSCORRUPTED;
-	}
 	len = ((char *) root) + (blocksize - csum_size) - (char *) de;
 
 	/* Allocate new block for the 0th block's dirents */