From: Yangtao Li <frank.li@vivo.com>
Date: Tue, 4 Apr 2023 15:44:33 +0000 (-0400)
Subject: dm mirror: add DMERR message if alloc_workqueue fails
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=990f61e43c4d3235486707568edf59d67488a575;p=linux.git

dm mirror: add DMERR message if alloc_workqueue fails

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
---

diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 3e947655746c5..4b2b40f81a1de 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -1501,8 +1501,10 @@ static int __init dm_mirror_init(void)
 	int r;
 
 	dm_raid1_wq = alloc_workqueue("dm_raid1_wq", 0, 0);
-	if (!dm_raid1_wq)
+	if (!dm_raid1_wq) {
+		DMERR("Failed to alloc workqueue");
 		return -ENOMEM;
+	}
 
 	r = dm_register_target(&mirror_target);
 	if (r < 0) {