drivers/block: use aligned-endian get/put helpers

index e336b05..5e5d39a 100644
@@ -1513,8 +1513,7 @@ static int rebuild_lun_table(ctlr_info_t *h, struct gendisk *del_disk)
 					      0, 0, TYPE_CMD);
 
 		if (return_code == IO_OK) {
-			listlength =
-				be32_to_cpu(*(__be32 *) ld_buff->LUNListLength);
+			listlength = get_be32(ld_buff->LUNListLength);
 		} else {	/* reading number of logical volumes failed */
 			printk(KERN_WARNING "cciss: report logical volume"
 			       " command failed\n");

@@ -2036,8 +2035,8 @@ cciss_read_capacity(int ctlr, int logvol, int withirq, sector_t *total_size,
 				ctlr, buf, sizeof(ReadCapdata_struct),
 					1, logvol, 0, NULL, TYPE_CMD);
 	if (return_code == IO_OK) {
-		*total_size = be32_to_cpu(*(__be32 *) buf->total_size);
-		*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
+		*total_size = get_be32(buf->total_size);
+		*block_size = get_be32(buf->block_size);
 	} else {		/* read capacity command failed */
 		printk(KERN_WARNING "cciss: read capacity failed\n");
 		*total_size = 0;

@@ -2072,8 +2071,8 @@ cciss_read_capacity_16(int ctlr, int logvol, int withirq, sector_t *total_size,
 				1, logvol, 0, NULL, TYPE_CMD);
 	}
 	if (return_code == IO_OK) {
-		*total_size = be64_to_cpu(*(__be64 *) buf->total_size);
-		*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
+		*total_size = get_be64(buf->total_size);
+		*block_size = get_be32(buf->block_size);
 	} else {		/* read capacity command failed */
 		printk(KERN_WARNING "cciss: read capacity failed\n");
 		*total_size = 0;

index 570f3b7..a5f429f 100644
@@ -663,11 +663,11 @@ static enum action pd_identify(struct pd_unit *disk)
 		return Fail;
 	pi_read_block(disk->pi, pd_scratch, 512);
 	disk->can_lba = pd_scratch[99] & 2;
-	disk->sectors = le16_to_cpu(*(__le16 *) (pd_scratch + 12));
-	disk->heads = le16_to_cpu(*(__le16 *) (pd_scratch + 6));
-	disk->cylinders = le16_to_cpu(*(__le16 *) (pd_scratch + 2));
+	disk->sectors = get_le16(pd_scratch + 12);
+	disk->heads = get_le16(pd_scratch + 6);
+	disk->cylinders = get_le16(pd_scratch + 2);
 	if (disk->can_lba)
-		disk->capacity = le32_to_cpu(*(__le32 *) (pd_scratch + 120));
+		disk->capacity = get_le32(pd_scratch + 120);
 	else
 		disk->capacity = disk->sectors * disk->heads * disk->cylinders;
 

index 3a281ef..f86ab3c 100644
@@ -1914,8 +1914,8 @@ static int ub_sync_read_cap(struct ub_dev *sc, struct ub_lun *lun,
 	}
 
 	/* sd.c special-cases sector size of 0 to mean 512. Needed? Safe? */
-	nsec = be32_to_cpu(*(__be32 *)p) + 1;
-	bsize = be32_to_cpu(*(__be32 *)(p + 4));
+	nsec = get_be32(p) + 1;
+	bsize = get_be32(p + 4);
 	switch (bsize) {
 	case 512:	shift = 0;	break;
 	case 1024:	shift = 1;	break;