diff mbox

[v2] mtd: block2mtd: Add mutex_destroy

Message ID 20140125104508.c562066b2276aad0cb3934ee@skynet.be
State Accepted
Commit 4bed207cd0b2805b0afa3835a0803d2eb27cbc9e
Headers show

Commit Message

Fabian Frederick Jan. 25, 2014, 2:45 a.m. UTC 
mutex_destroy added on each device in block2mtd_exit and add_device failure

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
 drivers/mtd/devices/block2mtd.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

Comments

Brian Norris Jan. 29, 2014, 12:03 a.m. UTC | #1 
On Sat, Jan 25, 2014 at 10:45:08AM +0800, Fabian Frederick wrote:
> mutex_destroy added on each device in block2mtd_exit and add_device failure
> 
> Signed-off-by: Fabian Frederick <fabf@skynet.be>

Pushed to l2-mtd.git/next. Thanks!

Brian
diff mbox

Patch

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index d9fd87a..3e12234 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -240,13 +240,13 @@  static struct block2mtd_dev *add_device(char *devname, int erase_size)
 
 	if (IS_ERR(bdev)) {
 		pr_err("error: cannot open device %s\n", devname);
-		goto devinit_err;
+		goto err_free_block2mtd;
 	}
 	dev->blkdev = bdev;
 
 	if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
 		pr_err("attempting to use an MTD device as a block device\n");
-		goto devinit_err;
+		goto err_free_block2mtd;
 	}
 
 	mutex_init(&dev->write_mutex);
@@ -255,7 +255,7 @@  static struct block2mtd_dev *add_device(char *devname, int erase_size)
 	/* make the name contain the block device in */
 	name = kasprintf(GFP_KERNEL, "block2mtd: %s", devname);
 	if (!name)
-		goto devinit_err;
+		goto err_destroy_mutex;
 
 	dev->mtd.name = name;
 
@@ -274,7 +274,7 @@  static struct block2mtd_dev *add_device(char *devname, int erase_size)
 
 	if (mtd_device_register(&dev->mtd, NULL, 0)) {
 		/* Device didn't get added, so free the entry */
-		goto devinit_err;
+		goto err_destroy_mutex;
 	}
 	list_add(&dev->list, &blkmtd_device_list);
 	pr_info("mtd%d: [%s] erase_size = %dKiB [%d]\n",
@@ -283,7 +283,9 @@  static struct block2mtd_dev *add_device(char *devname, int erase_size)
 		dev->mtd.erasesize >> 10, dev->mtd.erasesize);
 	return dev;
 
-devinit_err:
+err_destroy_mutex:
+	mutex_destroy(&dev->write_mutex);
+err_free_block2mtd:
 	block2mtd_free_device(dev);
 	return NULL;
 }
@@ -448,6 +450,7 @@  static void block2mtd_exit(void)
 		struct block2mtd_dev *dev = list_entry(pos, typeof(*dev), list);
 		block2mtd_sync(&dev->mtd);
 		mtd_device_unregister(&dev->mtd);
+		mutex_destroy(&dev->write_mutex);
 		pr_info("mtd%d: [%s] removed\n",
 			dev->mtd.index,
 			dev->mtd.name + strlen("block2mtd: "));