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>
mariux64 · Apr 13, 2015 · 6727063 · 6727063
1 parent 9272f04
commit 6727063
Showing 1 changed file with 4 additions and 1 deletion.
diff --git 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);
 }