From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Fri, 10 Apr 2015 19:00:27 +0000 (-0700)
Subject: fou: exit early when parsing config fails
X-Git-Tag: v4.1-rc1~128^2~27^2~3
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=67270636a8285166c4ee035e1b53e99a7c55d232;p=linux.git

fou: exit early when parsing config fails

Not a big deal, just for corretness.

Cc: Tom Herbert <tom@herbertland.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index c8db62718e5f..ad0ee827a0c0 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -605,8 +605,11 @@ static int fou_nl_cmd_add_port(struct sk_buff *skb, struct genl_info *info)
 static int fou_nl_cmd_rm_port(struct sk_buff *skb, struct genl_info *info)
 {
 	struct fou_cfg cfg;
+	int err;
 
-	parse_nl_config(info, &cfg);
+	err = parse_nl_config(info, &cfg);
+	if (err)
+		return err;
 
 	return fou_destroy(&init_net, &cfg);
 }