From 3464dff5c9fc1ced18d9bfd32f754ab61c85f671 Mon Sep 17 00:00:00 2001
From: "Darrick J. Wong" <darrick.wong@oracle.com>
Date: Thu, 28 Jun 2018 15:11:57 -0500
Subject: [PATCH] xfs: fix inobt magic number check

Source kernel commit: 2e050e648ad6c74a2f0a28f645155128be0626ca

In commit a6a781a58befcbd467c ("xfs: have buffer verifier functions
report failing address") the bad magic number return was ported
incorrectly.

Fixes: a6a781a58befcbd467ce843af4eaca3906aa1f08
Reported-by: syzbot+08ab33be0178b76851c8@syzkaller.appspotmail.com
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eric Sandeen <sandeen@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---
 libxfs/xfs_ialloc_btree.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libxfs/xfs_ialloc_btree.c b/libxfs/xfs_ialloc_btree.c
index 3efa769c3..287789321 100644
--- a/libxfs/xfs_ialloc_btree.c
+++ b/libxfs/xfs_ialloc_btree.c
@@ -295,7 +295,7 @@ xfs_inobt_verify(
 	case cpu_to_be32(XFS_FIBT_MAGIC):
 		break;
 	default:
-		return NULL;
+		return __this_address;
 	}
 
 	/* level verification */
-- 
2.47.2