From: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Date: Tue, 3 Dec 2019 17:42:58 +0000 (-0500)
Subject: zygo: btrfs: reloc_root might be NULL, adapt
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4127d54b74e718cd5a601af70bc9bef5a79c5939;p=linux

zygo: btrfs: reloc_root might be NULL, adapt

(cherry picked from commit 33ef2d3ce4c1830291a9bcbee499230b1d5937e8)
---

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 1ed49b63d7d2..c3126807bffc 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1731,8 +1731,9 @@ static noinline int create_pending_snapshots(struct btrfs_trans_handle *trans)
 	list_for_each_entry_safe(pending, next, head, list) {
 		list_del(&pending->list);
 		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 = create_pending_snapshot(trans, pending);
 		if (ret)
 			break;