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authorIan Kent <raven@themaw.net>2019-10-02 17:56:33 +0800
committerAl Viro <viro@zeniv.linux.org.uk>2019-10-09 22:53:57 -0400
commit6fcf0c72e4b9360768cf5ef543c4f14c34800ee8 (patch)
treea298cb78d99e35e2847e2fec757aeb6503a90b4a
parent33f37c648812bdbe1bd1eea75ddab3e799d51e77 (diff)
vfs: add missing blkdev_put() in get_tree_bdev()
Is there are a couple of missing blkdev_put() in get_tree_bdev()? Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/super.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/super.c b/fs/super.c
index beaf076d9733..530dd13fa98b 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1296,6 +1296,7 @@ int get_tree_bdev(struct fs_context *fc,
mutex_lock(&bdev->bd_fsfreeze_mutex);
if (bdev->bd_fsfreeze_count > 0) {
mutex_unlock(&bdev->bd_fsfreeze_mutex);
+ blkdev_put(bdev, mode);
warnf(fc, "%pg: Can't mount, blockdev is frozen", bdev);
return -EBUSY;
}
@@ -1304,8 +1305,10 @@ int get_tree_bdev(struct fs_context *fc,
fc->sget_key = bdev;
s = sget_fc(fc, test_bdev_super_fc, set_bdev_super_fc);
mutex_unlock(&bdev->bd_fsfreeze_mutex);
- if (IS_ERR(s))
+ if (IS_ERR(s)) {
+ blkdev_put(bdev, mode);
return PTR_ERR(s);
+ }
if (s->s_root) {
/* Don't summarily change the RO/RW state. */