zygo: btrfs: reloc_root might be NULL, adapt, #2

(cherry picked from commit 3acb2fb64807af3fddc5a5bccb86449b6d2bbac3)

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index de08349247379fd5dc15e3f11420e6d2b8b7d267..f1ff723483d27a8b12abebf36a490576c1a8cdad 100644 (file)
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1555,8 +1555,9 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans,
        }
 
        WARN_ON(!pending->root);
-       WARN_ON(!pending->root->reloc_root);
-       WARN_ON(!pending->root->reloc_root->node);
+       if (pending->root->reloc_root) {
+               WARN_ON(!pending->root->reloc_root->node);
+       }
        ret = btrfs_reloc_post_snapshot(trans, pending);
        if (ret) {
                btrfs_abort_transaction(trans, ret);