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authorFabian Frederick <fabf@skynet.be>2014-01-25 10:45:08 +0800
committerBrian Norris <computersforpeace@gmail.com>2014-03-10 22:42:21 -0700
commit4bed207cd0b2805b0afa3835a0803d2eb27cbc9e (patch)
treea60659f95368b38fc68b6f0487a9295fc62e31f9 /drivers/mtd/devices/block2mtd.c
parent6f6b9feece0066695d87ed6df5bc0d8080c0c96c (diff)
downloadlinux-4bed207cd0b2805b0afa3835a0803d2eb27cbc9e.tar.bz2
mtd: block2mtd: Add mutex_destroy
mutex_destroy added on each device in block2mtd_exit and add_device failure Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Diffstat (limited to 'drivers/mtd/devices/block2mtd.c')
-rw-r--r--drivers/mtd/devices/block2mtd.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index d9fd87a4c8dc..3e12234b7565 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: "));