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-rw-r--r--fs/block_dev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index dcf37cada369..e664b0b70489 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -941,8 +941,10 @@ static int do_open(struct block_device *bdev, struct file *file, int for_part)
* hooks: /n/, see "layering violations".
*/
ret = devcgroup_inode_permission(bdev->bd_inode, perm);
- if (ret != 0)
+ if (ret != 0) {
+ bdput(bdev);
return ret;
+ }
ret = -ENXIO;
file->f_mapping = bdev->bd_inode->i_mapping;