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authorDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
committerDan Williams <dan.j.williams@intel.com>2017-08-31 16:25:59 -0700
commit8f98ae0c9b90bb46097e4f28e81e9ae6148e5694 (patch)
treec1d0f0d9b0733bf3271780e45d7a1c299fe2fc48 /fs/xfs/libxfs/xfs_refcount.c
parent58738c495e15badd2015e19ff41f1f1ed55200bc (diff)
parent5e405595e5bf4c09fab9ca1e7dbe5b62872757b5 (diff)
Merge branch 'for-4.14/fs' into libnvdimm-for-next
Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount.c')
-rw-r--r--fs/xfs/libxfs/xfs_refcount.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 900ea231f9a3..45b1c3b4e047 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -1638,6 +1638,10 @@ xfs_refcount_recover_cow_leftovers(
error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
if (error)
goto out_trans;
+ if (!agbp) {
+ error = -ENOMEM;
+ goto out_trans;
+ }
cur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno, NULL);
/* Find all the leftover CoW staging extents. */