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authorAnand Jain <anand.jain@oracle.com>2015-10-07 17:23:23 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-03-03 15:06:50 -0800
commit7354b179aff3dccac22c6e9110a26b5885606a12 (patch)
tree3f2a8dff387d0c7b41dffb73ed65282bff5bd527
parentb11202ea8547258205ef1ea15c61c7dd50d65989 (diff)
downloadlwn-7354b179aff3dccac22c6e9110a26b5885606a12.tar.gz
lwn-7354b179aff3dccac22c6e9110a26b5885606a12.zip
Btrfs: add missing brelse when superblock checksum fails
commit b2acdddfad13c38a1e8b927d83c3cf321f63601a upstream. Looks like oversight, call brelse() when checksum fails. Further down the code, in the non error path, we do call brelse() and so we don't see brelse() in the goto error paths. Signed-off-by: Anand Jain <anand.jain@oracle.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/btrfs/disk-io.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index f48d5fc352a9..469051b01fbf 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2336,6 +2336,7 @@ int open_ctree(struct super_block *sb,
if (btrfs_check_super_csum(bh->b_data)) {
printk(KERN_ERR "BTRFS: superblock checksum mismatch\n");
err = -EINVAL;
+ brelse(bh);
goto fail_alloc;
}