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-rw-r--r--fs/block_dev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 19f5f153ddb..846f32d51be 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -920,7 +920,7 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
}
owner = disk->fops->owner;
- mutex_lock(&bdev->bd_mutex);
+ mutex_lock_nested(&bdev->bd_mutex, for_part);
if (!bdev->bd_openers) {
bdev->bd_disk = disk;
bdev->bd_contains = bdev;
@@ -1062,7 +1062,7 @@ static int __blkdev_put(struct block_device *bdev, int for_part)
struct gendisk *disk = bdev->bd_disk;
struct block_device *victim = NULL;
- mutex_lock(&bdev->bd_mutex);
+ mutex_lock_nested(&bdev->bd_mutex, for_part);
lock_kernel();
if (for_part)
bdev->bd_part_count--;