[PATCH net-next] amt: fix error return code in amt_init()

[Yang Yingliang]

Return error code when alloc_workqueue()
fails in amt_init().

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
 drivers/net/amt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/amt.c b/drivers/net/amt.c
index 60a7053a9cf7..d8c9ed9f8a81 100644
--- a/drivers/net/amt.c
+++ b/drivers/net/amt.c
@@ -3259,8 +3259,10 @@ static int __init amt_init(void)
 		goto unregister_notifier;
 
 	amt_wq = alloc_workqueue("amt", WQ_UNBOUND, 1);
-	if (!amt_wq)
+	if (!amt_wq) {
+		err = -ENOMEM;
 		goto rtnl_unregister;
+	}
 
 	spin_lock_init(&source_gc_lock);
 	spin_lock_bh(&source_gc_lock);
-- 
2.25.1