Linux 4.4.225

index cc414382dab4..561b2ba6bc28 100644
@@ -162,8 +162,13 @@ arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *uaddr)
 	preempt_enable();
 #endif
 
-	if (!ret)
-		*oval = oldval;
+	/*
+	 * Store unconditionally. If ret != 0 the extra store is the least
+	 * of the worries but GCC cannot figure out that __futex_atomic_op()
+	 * is either setting ret to -EFAULT or storing the old value in
+	 * oldval which results in a uninitialized warning at the call site.
+	 */
+	*oval = oldval;
 
 	return ret;
 }

index e1807296a1a0..33d2b5948d7f 100644
@@ -319,6 +319,7 @@
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349	0x7349
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7	0x73f7
 #define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001	0xa001
+#define USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002	0xc002
 
 #define USB_VENDOR_ID_ELAN		0x04f3
 

index 9de379c1b3fd..56c4a81d3ea2 100644
@@ -1300,6 +1300,9 @@ static const struct hid_device_id mt_devices[] = {
 	{ .driver_data = MT_CLS_EGALAX_SERIAL,
 		MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
 			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
+	{ .driver_data = MT_CLS_EGALAX,
+		MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
+			USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_C002) },
 
 	/* Elitegroup panel */
 	{ .driver_data = MT_CLS_SERIAL,

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index 9cd0268b2767..f353ab569b8e 100644
@@ -1800,7 +1800,7 @@ static void uvc_delete(struct uvc_device *dev)
 	if (dev->vdev.dev)
 		v4l2_device_unregister(&dev->vdev);
 #ifdef CONFIG_MEDIA_CONTROLLER
-	if (media_devnode_is_registered(&dev->mdev.devnode))
+	if (media_devnode_is_registered(dev->mdev.devnode))
 		media_device_unregister(&dev->mdev);
 #endif
 

index df268365e04e..c8e3995b8cb7 100644
@@ -276,6 +276,7 @@ void mei_me_cl_rm_by_uuid(struct mei_device *dev, const uuid_le *uuid)
 	down_write(&dev->me_clients_rwsem);
 	me_cl = __mei_me_cl_by_uuid(dev, uuid);
 	__mei_me_cl_del(dev, me_cl);
+	mei_me_cl_put(me_cl);
 	up_write(&dev->me_clients_rwsem);
 }
 

@@ -297,6 +298,7 @@ void mei_me_cl_rm_by_uuid_id(struct mei_device *dev, const uuid_le *uuid, u8 id)
 	down_write(&dev->me_clients_rwsem);
 	me_cl = __mei_me_cl_by_uuid_id(dev, uuid, id);
 	__mei_me_cl_del(dev, me_cl);
+	mei_me_cl_put(me_cl);
 	up_write(&dev->me_clients_rwsem);
 }
 

index 9404f38d9d0d..2cf5c581c7e0 100644
@@ -3296,7 +3296,7 @@ void igb_configure_tx_ring(struct igb_adapter *adapter,
 	     tdba & 0x00000000ffffffffULL);
 	wr32(E1000_TDBAH(reg_idx), tdba >> 32);
 
-	ring->tail = hw->hw_addr + E1000_TDT(reg_idx);
+	ring->tail = adapter->io_addr + E1000_TDT(reg_idx);
 	wr32(E1000_TDH(reg_idx), 0);
 	writel(0, ring->tail);
 

@@ -3652,7 +3652,7 @@ void igb_configure_rx_ring(struct igb_adapter *adapter,
 	     ring->count * sizeof(union e1000_adv_rx_desc));
 
 	/* initialize head and tail */
-	ring->tail = hw->hw_addr + E1000_RDT(reg_idx);
+	ring->tail = adapter->io_addr + E1000_RDT(reg_idx);
 	wr32(E1000_RDH(reg_idx), 0);
 	writel(0, ring->tail);
 

index 957234272ef7..727eaf203463 100644
@@ -443,9 +443,9 @@ static int btt_log_init(struct arena_info *arena)
 
 static int btt_freelist_init(struct arena_info *arena)
 {
-	int old, new, ret;
+	int new, ret;
 	u32 i, map_entry;
-	struct log_entry log_new, log_old;
+	struct log_entry log_new;
 
 	arena->freelist = kcalloc(arena->nfree, sizeof(struct free_entry),
 					GFP_KERNEL);

@@ -453,10 +453,6 @@ static int btt_freelist_init(struct arena_info *arena)
 		return -ENOMEM;
 
 	for (i = 0; i < arena->nfree; i++) {
-		old = btt_log_read(arena, i, &log_old, LOG_OLD_ENT);
-		if (old < 0)
-			return old;
-
 		new = btt_log_read(arena, i, &log_new, LOG_NEW_ENT);
 		if (new < 0)
 			return new;

index f5585740a765..95121bff2d3e 100644
@@ -449,23 +449,22 @@ static acpi_status alienware_hdmi_command(struct hdmi_args *in_args,
 
 	input.length = (acpi_size) sizeof(*in_args);
 	input.pointer = in_args;
-	if (out_data != NULL) {
+	if (out_data) {
 		output.length = ACPI_ALLOCATE_BUFFER;
 		output.pointer = NULL;
 		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 1,
 					     command, &input, &output);
-	} else
+		if (ACPI_SUCCESS(status)) {
+			obj = (union acpi_object *)output.pointer;
+			if (obj && obj->type == ACPI_TYPE_INTEGER)
+				*out_data = (u32)obj->integer.value;
+		}
+		kfree(output.pointer);
+	} else {
 		status = wmi_evaluate_method(WMAX_CONTROL_GUID, 1,
 					     command, &input, NULL);
-
-	if (ACPI_SUCCESS(status) && out_data != NULL) {
-		obj = (union acpi_object *)output.pointer;
-		if (obj && obj->type == ACPI_TYPE_INTEGER)
-			*out_data = (u32) obj->integer.value;
 	}
-	kfree(output.pointer);
 	return status;
-
 }
 
 static ssize_t show_hdmi_cable(struct device *dev,

index cccf250cd1e3..ee64c9512a3a 100644
@@ -551,9 +551,33 @@ static struct asus_wmi_driver asus_nb_wmi_driver = {
 	.detect_quirks = asus_nb_wmi_quirks,
 };
 
+static const struct dmi_system_id asus_nb_wmi_blacklist[] __initconst = {
+	{
+		/*
+		 * asus-nb-wm adds no functionality. The T100TA has a detachable
+		 * USB kbd, so no hotkeys and it has no WMI rfkill; and loading
+		 * asus-nb-wm causes the camera LED to turn and _stay_ on.
+		 */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+		},
+	},
+	{
+		/* The Asus T200TA has the same issue as the T100TA */
+		.matches = {
+			DMI_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T200TA"),
+		},
+	},
+	{} /* Terminating entry */
+};
 
 static int __init asus_nb_wmi_init(void)
 {
+	if (dmi_check_system(asus_nb_wmi_blacklist))
+		return -ENODEV;
+
 	return asus_wmi_register_driver(&asus_nb_wmi_driver);
 }
 

index 20b878d35ea2..fc8b6f179ec6 100644
@@ -56,7 +56,7 @@ static int sca3000_read_data(struct sca3000_state *st,
 	st->tx[0] = SCA3000_READ_REG(reg_address_high);
 	ret = spi_sync_transfer(st->us, xfer, ARRAY_SIZE(xfer));
 	if (ret) {
-		dev_err(get_device(&st->us->dev), "problem reading register");
+		dev_err(&st->us->dev, "problem reading register");
 		goto error_free_rx;
 	}
 

index 8eb7179da342..4a12a3ea3f25 100644
@@ -125,17 +125,24 @@ static int ad2s1210_config_write(struct ad2s1210_state *st, u8 data)
 static int ad2s1210_config_read(struct ad2s1210_state *st,
 		       unsigned char address)
 {
-	struct spi_transfer xfer = {
-		.len = 2,
-		.rx_buf = st->rx,
-		.tx_buf = st->tx,
+	struct spi_transfer xfers[] = {
+		{
+			.len = 1,
+			.rx_buf = &st->rx[0],
+			.tx_buf = &st->tx[0],
+			.cs_change = 1,
+		}, {
+			.len = 1,
+			.rx_buf = &st->rx[1],
+			.tx_buf = &st->tx[1],
+		},
 	};
 	int ret = 0;
 
 	ad2s1210_set_mode(MOD_CONFIG, st);
 	st->tx[0] = address | AD2S1210_MSB_IS_HIGH;
 	st->tx[1] = AD2S1210_REG_FAULT;
-	ret = spi_sync_transfer(st->sdev, &xfer, 1);
+	ret = spi_sync_transfer(st->sdev, xfers, 2);
 	if (ret < 0)
 		return ret;
 	st->old_data = true;

index 747343c61398..f083ecfddd1b 100644
@@ -1080,11 +1080,11 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr,
 
 	if (usb_endpoint_out(epaddr)) {
 		ep = dev->ep_out[epnum];
-		if (reset_hardware)
+		if (reset_hardware && epnum != 0)
 			dev->ep_out[epnum] = NULL;
 	} else {
 		ep = dev->ep_in[epnum];
-		if (reset_hardware)
+		if (reset_hardware && epnum != 0)
 			dev->ep_in[epnum] = NULL;
 	}
 	if (ep) {

index efdf81ea3b5f..3d0497421e62 100644
@@ -3293,6 +3293,7 @@ retry:
 		WARN_ON(1);
 		tsession = NULL;
 		target = -1;
+		mutex_lock(&session->s_mutex);
 	}
 	goto retry;
 

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index 7e9eb65a2912..090015401c55 100644
@@ -88,7 +88,7 @@ static void copy_fd_bitmaps(struct fdtable *nfdt, struct fdtable *ofdt,
  */
 static void copy_fdtable(struct fdtable *nfdt, struct fdtable *ofdt)
 {
-	unsigned int cpy, set;
+	size_t cpy, set;
 
 	BUG_ON(nfdt->max_fds < ofdt->max_fds);
 

index f80ffccb0316..1eb737c466dd 100644
@@ -541,9 +541,6 @@ __acquires(&gl->gl_lockref.lock)
 			goto out_unlock;
 		if (nonblock)
 			goto out_sched;
-		smp_mb();
-		if (atomic_read(&gl->gl_revokes) != 0)
-			goto out_sched;
 		set_bit(GLF_DEMOTE_IN_PROGRESS, &gl->gl_flags);
 		GLOCK_BUG_ON(gl, gl->gl_demote_state == LM_ST_EXCLUSIVE);
 		gl->gl_target = gl->gl_demote_state;

index bb3a4bb35183..f0a3fc723ae4 100644
@@ -160,6 +160,8 @@ static inline unsigned int cpumask_local_spread(unsigned int i, int node)
 	for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
 #define for_each_cpu_not(cpu, mask)		\
 	for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
+#define for_each_cpu_wrap(cpu, mask, start)	\
+	for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)(start))
 #define for_each_cpu_and(cpu, mask, and)	\
 	for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask, (void)and)
 #else

@@ -232,6 +234,23 @@ unsigned int cpumask_local_spread(unsigned int i, int node);
 		(cpu) = cpumask_next_zero((cpu), (mask)),	\
 		(cpu) < nr_cpu_ids;)
 
+extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
+
+/**
+ * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location
+ * @cpu: the (optionally unsigned) integer iterator
+ * @mask: the cpumask poiter
+ * @start: the start location
+ *
+ * The implementation does not assume any bit in @mask is set (including @start).
+ *
+ * After the loop, cpu is >= nr_cpu_ids.
+ */
+#define for_each_cpu_wrap(cpu, mask, start)					\
+	for ((cpu) = cpumask_next_wrap((start)-1, (mask), (start), false);	\
+	     (cpu) < nr_cpumask_bits;						\
+	     (cpu) = cpumask_next_wrap((cpu), (mask), (start), true))
+
 /**
  * for_each_cpu_and - iterate over every cpu in both masks
  * @cpu: the (optionally unsigned) integer iterator

index c00b8d182226..6de18ead3dfe 100644
@@ -291,6 +291,9 @@ int kernel_sendpage(struct socket *sock, struct page *page, int offset,
 int kernel_sock_ioctl(struct socket *sock, int cmd, unsigned long arg);
 int kernel_sock_shutdown(struct socket *sock, enum sock_shutdown_cmd how);
 
+/* Routine returns the IP overhead imposed by a (caller-protected) socket. */
+u32 kernel_sock_ip_overhead(struct sock *sk);
+
 #define MODULE_ALIAS_NETPROTO(proto) \
 	MODULE_ALIAS("net-pf-" __stringify(proto))
 

index 438694650471..547a8d1e4a3b 100644
@@ -24,7 +24,6 @@
 #include <linux/workqueue.h>
 #include <linux/spinlock.h>
 #include <linux/list.h>
-#include <linux/timer.h>
 #include <linux/notifier.h>
 #include <linux/kobject.h>
 

@@ -37,6 +36,7 @@
  * @list: List entry, to attach to the padata lists.
  * @pd: Pointer to the internal control structure.
  * @cb_cpu: Callback cpu for serializatioon.
+ * @cpu: Cpu for parallelization.
  * @seq_nr: Sequence number of the parallelized data object.
  * @info: Used to pass information from the parallel to the serial function.
  * @parallel: Parallel execution function.

@@ -46,6 +46,7 @@ struct padata_priv {
 	struct list_head	list;
 	struct parallel_data	*pd;
 	int			cb_cpu;
+	int			cpu;
 	int			info;
 	void                    (*parallel)(struct padata_priv *padata);
 	void                    (*serial)(struct padata_priv *padata);

@@ -83,7 +84,6 @@ struct padata_serial_queue {
  * @serial: List to wait for serialization after reordering.
  * @pwork: work struct for parallelization.
  * @swork: work struct for serialization.
- * @pd: Backpointer to the internal control structure.
  * @work: work struct for parallelization.
  * @num_obj: Number of objects that are processed by this cpu.
  * @cpu_index: Index of the cpu.

@@ -91,7 +91,6 @@ struct padata_serial_queue {
 struct padata_parallel_queue {
        struct padata_list    parallel;
        struct padata_list    reorder;
-       struct parallel_data *pd;
        struct work_struct    work;
        atomic_t              num_obj;
        int                   cpu_index;

@@ -118,10 +117,10 @@ struct padata_cpumask {
  * @reorder_objects: Number of objects waiting in the reorder queues.
  * @refcnt: Number of objects holding a reference on this parallel_data.
  * @max_seq_nr:  Maximal used sequence number.
+ * @cpu: Next CPU to be processed.
  * @cpumask: The cpumasks in use for parallel and serial workers.
+ * @reorder_work: work struct for reordering.
  * @lock: Reorder lock.
- * @processed: Number of already processed objects.
- * @timer: Reorder timer.
  */
 struct parallel_data {
 	struct padata_instance		*pinst;

@@ -130,10 +129,10 @@ struct parallel_data {
 	atomic_t			reorder_objects;
 	atomic_t			refcnt;
 	atomic_t			seq_nr;
+	int				cpu;
 	struct padata_cpumask		cpumask;
+	struct work_struct		reorder_work;
 	spinlock_t                      lock ____cacheline_aligned;
-	unsigned int			processed;
-	struct timer_list		timer;
 };
 
 /**

index 6e6db78f1ee2..00bbd679864a 100644
@@ -60,7 +60,7 @@ struct device;
 struct media_device {
 	/* dev->driver_data points to this struct. */
 	struct device *dev;
-	struct media_devnode devnode;
+	struct media_devnode *devnode;
 
 	char model[32];
 	char serial[40];

@@ -84,9 +84,6 @@ struct media_device {
 #define MEDIA_DEV_NOTIFY_PRE_LINK_CH	0
 #define MEDIA_DEV_NOTIFY_POST_LINK_CH	1
 
-/* media_devnode to media_device */
-#define to_media_device(node) container_of(node, struct media_device, devnode)
-
 int __must_check __media_device_register(struct media_device *mdev,
 					 struct module *owner);
 #define media_device_register(mdev) __media_device_register(mdev, THIS_MODULE)

index 17ddae32060d..d5ff95bf2d4b 100644
@@ -33,6 +33,8 @@
 #include <linux/device.h>
 #include <linux/cdev.h>
 
+struct media_device;
+
 /*
  * Flag to mark the media_devnode struct as registered. Drivers must not touch
  * this flag directly, it will be set and cleared by media_devnode_register and

@@ -67,6 +69,8 @@ struct media_file_operations {
  * before registering the node.
  */
 struct media_devnode {
+	struct media_device *media_dev;
+
 	/* device ops */
 	const struct media_file_operations *fops;
 

@@ -80,24 +84,42 @@ struct media_devnode {
 	unsigned long flags;		/* Use bitops to access flags */
 
 	/* callbacks */
-	void (*release)(struct media_devnode *mdev);
+	void (*release)(struct media_devnode *devnode);
 };
 
 /* dev to media_devnode */
 #define to_media_devnode(cd) container_of(cd, struct media_devnode, dev)
 
-int __must_check media_devnode_register(struct media_devnode *mdev,
+int __must_check media_devnode_register(struct media_device *mdev,
+					struct media_devnode *devnode,
 					struct module *owner);
-void media_devnode_unregister(struct media_devnode *mdev);
+
+/**
+ * media_devnode_unregister_prepare - clear the media device node register bit
+ * @devnode: the device node to prepare for unregister
+ *
+ * This clears the passed device register bit. Future open calls will be met
+ * with errors. Should be called before media_devnode_unregister() to avoid
+ * races with unregister and device file open calls.
+ *
+ * This function can safely be called if the device node has never been
+ * registered or has already been unregistered.
+ */
+void media_devnode_unregister_prepare(struct media_devnode *devnode);
+
+void media_devnode_unregister(struct media_devnode *devnode);
 
 static inline struct media_devnode *media_devnode_data(struct file *filp)
 {
 	return filp->private_data;
 }
 
-static inline int media_devnode_is_registered(struct media_devnode *mdev)
+static inline int media_devnode_is_registered(struct media_devnode *devnode)
 {
-	return test_bit(MEDIA_FLAG_REGISTERED, &mdev->flags);
+	if (!devnode)
+		return false;
+
+	return test_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);
 }
 
 #endif /* _MEDIA_DEVNODE_H */

index 6258264a0bf7..94880f07bc06 100644
@@ -915,6 +915,8 @@ int compat_ipv6_setsockopt(struct sock *sk, int level, int optname,
 int compat_ipv6_getsockopt(struct sock *sk, int level, int optname,
 			   char __user *optval, int __user *optlen);
 
+int __ip6_datagram_connect(struct sock *sk, struct sockaddr *addr,
+			   int addr_len);
 int ip6_datagram_connect(struct sock *sk, struct sockaddr *addr, int addr_len);
 int ip6_datagram_connect_v6_only(struct sock *sk, struct sockaddr *addr,
 				 int addr_len);

index 163e8adac2d6..de246e9f4974 100644
@@ -17,6 +17,7 @@
 
 #include <linux/types.h>
 
+#include <linux/l2tp.h>
 
 /* Structure used to connect() the socket to a particular tunnel UDP
  * socket over IPv4.

@@ -89,14 +90,12 @@ enum {
 	PPPOL2TP_SO_REORDERTO	= 5,
 };
 
-/* Debug message categories for the DEBUG socket option */
+/* Debug message categories for the DEBUG socket option (deprecated) */
 enum {
-	PPPOL2TP_MSG_DEBUG	= (1 << 0),	/* verbose debug (if
-						 * compiled in) */
-	PPPOL2TP_MSG_CONTROL	= (1 << 1),	/* userspace - kernel
-						 * interface */
-	PPPOL2TP_MSG_SEQ	= (1 << 2),	/* sequence numbers */
-	PPPOL2TP_MSG_DATA	= (1 << 3),	/* data packets */
+	PPPOL2TP_MSG_DEBUG	= L2TP_MSG_DEBUG,
+	PPPOL2TP_MSG_CONTROL	= L2TP_MSG_CONTROL,
+	PPPOL2TP_MSG_SEQ	= L2TP_MSG_SEQ,
+	PPPOL2TP_MSG_DATA	= L2TP_MSG_DATA,
 };
 
 

index 347ef22a964e..dedfb2b1832a 100644
@@ -108,7 +108,7 @@ enum {
 	L2TP_ATTR_VLAN_ID,		/* u16 */
 	L2TP_ATTR_COOKIE,		/* 0, 4 or 8 bytes */
 	L2TP_ATTR_PEER_COOKIE,		/* 0, 4 or 8 bytes */
-	L2TP_ATTR_DEBUG,		/* u32 */
+	L2TP_ATTR_DEBUG,		/* u32, enum l2tp_debug_flags */
 	L2TP_ATTR_RECV_SEQ,		/* u8 */
 	L2TP_ATTR_SEND_SEQ,		/* u8 */
 	L2TP_ATTR_LNS_MODE,		/* u8 */

@@ -173,6 +173,21 @@ enum l2tp_seqmode {
 	L2TP_SEQ_ALL = 2,
 };
 
+/**
+ * enum l2tp_debug_flags - debug message categories for L2TP tunnels/sessions
+ *
+ * @L2TP_MSG_DEBUG: verbose debug (if compiled in)
+ * @L2TP_MSG_CONTROL: userspace - kernel interface
+ * @L2TP_MSG_SEQ: sequence numbers
+ * @L2TP_MSG_DATA: data packets
+ */
+enum l2tp_debug_flags {
+	L2TP_MSG_DEBUG		= (1 << 0),
+	L2TP_MSG_CONTROL	= (1 << 1),
+	L2TP_MSG_SEQ		= (1 << 2),
+	L2TP_MSG_DATA		= (1 << 3),
+};
+
 /*
  * NETLINK_GENERIC related info
  */

198 lines not on this page · raw message

index 5a70f6196f57..24f06e7abf92 100644
@@ -42,6 +42,38 @@ int cpumask_any_but(const struct cpumask *mask, unsigned int cpu)
 	return i;
 }
 
+/**
+ * cpumask_next_wrap - helper to implement for_each_cpu_wrap
+ * @n: the cpu prior to the place to search
+ * @mask: the cpumask pointer
+ * @start: the start point of the iteration
+ * @wrap: assume @n crossing @start terminates the iteration
+ *
+ * Returns >= nr_cpu_ids on completion
+ *
+ * Note: the @wrap argument is required for the start condition when
+ * we cannot assume @start is set in @mask.
+ */
+int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap)
+{
+	int next;
+
+again:
+	next = cpumask_next(n, mask);
+
+	if (wrap && n < start && next >= start) {
+		return nr_cpumask_bits;
+
+	} else if (next >= nr_cpumask_bits) {
+		wrap = true;
+		n = -1;
+		goto again;
+	}
+
+	return next;
+}
+EXPORT_SYMBOL(cpumask_next_wrap);
+
 /* These are not inline because of header tangles. */
 #ifdef CONFIG_CPUMASK_OFFSTACK
 /**

index f33154365b64..389b6367a810 100644
@@ -40,7 +40,8 @@ static bool ipv6_mapped_addr_any(const struct in6_addr *a)
 	return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0);
 }
 
-static int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
+int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr,
+			   int addr_len)
 {
 	struct sockaddr_in6	*usin = (struct sockaddr_in6 *) uaddr;
 	struct inet_sock	*inet = inet_sk(sk);

@@ -213,6 +214,7 @@ out:
 	fl6_sock_release(flowlabel);
 	return err;
 }
+EXPORT_SYMBOL_GPL(__ip6_datagram_connect);
 
 int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {

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