From ad2c95130b4baceca8f314e4f1d966fcac8b96b9 Mon Sep 17 00:00:00 2001
From: Lutz Donnerhacke <donner@FreeBSD.org>
Date: Mon, 14 Jun 2021 00:00:35 +0200
Subject: [PATCH] netgraph/bridge: malloc without flags

During tests an assert was triggered and pointed to missing flags in
the newlink function of ng_bridge(4).

Reported by:	markj
Reviewed by:	markj
Differential Revision: https://reviews.freebsd.org/D30759

(cherry picked from commit 4c3280e58727e900d4c217054fe655e3512380f1)
---
 sys/netgraph/ng_bridge.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/netgraph/ng_bridge.c b/sys/netgraph/ng_bridge.c
index baedeb911e6..3f3d8b3c406 100644
--- a/sys/netgraph/ng_bridge.c
+++ b/sys/netgraph/ng_bridge.c
@@ -395,9 +395,7 @@ ng_bridge_newhook(node_p node, hook_p hook, const char *name)
 	if(NG_PEER_NODE(hook) == node)
 	        return (ELOOP);
 
-	link = malloc(sizeof(*link), M_NETGRAPH_BRIDGE, M_ZERO);
-	if (link == NULL)
-		return (ENOMEM);
+	link = malloc(sizeof(*link), M_NETGRAPH_BRIDGE, M_WAITOK | M_ZERO);
 
 	link->stats.recvOctets = counter_u64_alloc(M_WAITOK);
 	link->stats.recvPackets = counter_u64_alloc(M_WAITOK);