xfs: check return value of _trans_reserve_quota_nblks

commit 4fd29ec47212c8cbf98916af519019ccc5e58e49 upstream.

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>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index c6eb21940783e4de3c555520eddbba48d0b19be4..71dd6d78371001d6d9d55509ce806aaf9df3f711 100644 (file)
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -4902,8 +4902,11 @@ xfs_bmap_del_extent_delay(
         * sb counters as we might have to borrow some blocks for the
         * indirect block accounting.
         */
-       xfs_trans_reserve_quota_nblks(NULL, ip, -((long)del->br_blockcount), 0,
+       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)