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authorPan Bian <bianpan2016@163.com>2021-01-20 11:51:13 +0300
committerDavid Sterba <dsterba@suse.com>2021-02-09 19:11:03 +0300
commit70779b897395b330ba5a47bed84f94178da599f9 (patch)
treedab88538affbb32feea48a17ae911ba1e78ead98
parent92bf22614b21a2706f4993b278017e437f7785b3 (diff)
downloadlinux-70779b897395b330ba5a47bed84f94178da599f9.tar.xz
fs/affs: release old buffer head on error path
The reference count of the old buffer head should be decremented on path that fails to get the new buffer head. Fixes: 6b4657667ba0 ("fs/affs: add rename exchange") CC: stable@vger.kernel.org # 4.14+ Signed-off-by: Pan Bian <bianpan2016@163.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/affs/namei.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/affs/namei.c b/fs/affs/namei.c
index 41c5749f4db7..5400a876d73f 100644
--- a/fs/affs/namei.c
+++ b/fs/affs/namei.c
@@ -460,8 +460,10 @@ affs_xrename(struct inode *old_dir, struct dentry *old_dentry,
return -EIO;
bh_new = affs_bread(sb, d_inode(new_dentry)->i_ino);
- if (!bh_new)
+ if (!bh_new) {
+ affs_brelse(bh_old);
return -EIO;
+ }
/* Remove old header from its parent directory. */
affs_lock_dir(old_dir);