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-rw-r--r--fs/btrfs/backref.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index e5d85311d5d5..86e280edf804 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1422,6 +1422,7 @@ static int btrfs_find_all_roots_safe(struct btrfs_trans_handle *trans,
if (ret < 0 && ret != -ENOENT) {
ulist_free(tmp);
ulist_free(*roots);
+ *roots = NULL;
return ret;
}
node = ulist_next(tmp, &uiter);