From: Li RongQing <lirongqing@baidu.com>
Date: Thu, 8 Nov 2018 12:40:20 +0000 (+0800)
Subject: openvswitch: remove BUG_ON from get_dpdev
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=04087d9a89bef97998c71c21e3ecfca0cc7c52f3;p=linux.git

openvswitch: remove BUG_ON from get_dpdev

if local is NULL pointer, and the following access of local's
dev will trigger panic, which is same as BUG_ON

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 2e5e7a41d8ef8..9bec22e3e9e8f 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -84,7 +84,6 @@ static struct net_device *get_dpdev(const struct datapath *dp)
 	struct vport *local;
 
 	local = ovs_vport_ovsl(dp, OVSP_LOCAL);
-	BUG_ON(!local);
 	return local->dev;
 }