From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Tue, 10 Jan 2017 02:16:33 +0000 (-0600)
Subject: xfs: check return value of _trans_reserve_quota_nblks
X-Git-Tag: v4.10.0-rc1~83
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6921638c63272a54194031f8cd95851cb9b18939;p=thirdparty%2Fxfsprogs-dev.git

xfs: check return value of _trans_reserve_quota_nblks

Souce kernel commit: 4fd29ec47212c8cbf98916af519019ccc5e58e49

Check the return value of xfs_trans_reserve_quota_nblks for errors.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
---

diff --git a/libxfs/xfs_bmap.c b/libxfs/xfs_bmap.c
index 165d863f8..0e2f45049 100644
--- a/libxfs/xfs_bmap.c
+++ b/libxfs/xfs_bmap.c
@@ -4897,6 +4897,8 @@ xfs_bmap_del_extent_delay(
 	error = xfs_trans_reserve_quota_nblks(NULL, ip,
 			-((long)del->br_blockcount), 0,
 			isrt ? XFS_QMOPT_RES_RTBLKS : XFS_QMOPT_RES_REGBLKS);
+	if (error)
+		return error;
 	ip->i_delayed_blks -= del->br_blockcount;
 
 	if (whichfork == XFS_COW_FORK)