From: Zygo Blaxell <ce3g8jdj@umail.furryterror.org>
Date: Tue, 3 Dec 2019 18:08:47 +0000 (-0500)
Subject: zygo: btrfs: reloc_root might be NULL, adapt, #2
X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c0dc6bb8b6de94dcad26e9c6a58d6287b95fc8b2;p=linux

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 a59eb7db5975..9f0b1b045cc5 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1639,8 +1639,9 @@ 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);