From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steffen Klassert Subject: [PATCH net] ipv6: Fix may be used uninitialized warning in rt6_check Date: Fri, 25 Aug 2017 09:05:42 +0200 Message-ID: <20170825070542.GV31224@secunet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: Wei Wang , Eric Dumazet , "Martin KaFai Lau" , To: "David S. Miller" Return-path: Received: from a.mx.secunet.com ([62.96.220.36]:49434 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754138AbdHYHFo (ORCPT ); Fri, 25 Aug 2017 03:05:44 -0400 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: rt_cookie might be used uninitialized, fix this by initializing it. Fixes: c5cff8561d2d ("ipv6: add rcu grace period before freeing fib6_node") Signed-off-by: Steffen Klassert --- net/ipv6/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ipv6/route.c b/net/ipv6/route.c index a9d3564..48c8c92 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1289,7 +1289,7 @@ static void rt6_dst_from_metrics_check(struct rt6_info *rt) static struct dst_entry *rt6_check(struct rt6_info *rt, u32 cookie) { - u32 rt_cookie; + u32 rt_cookie = 0; if (!rt6_get_cookie_safe(rt, &rt_cookie) || rt_cookie != cookie) return NULL; -- 2.7.4