Commit 36143645 authored by Steffen Klassert's avatar Steffen Klassert Committed by David S. Miller
Browse files

ipv6: Fix may be used uninitialized warning in rt6_check 



rt_cookie might be used uninitialized, fix this by
initializing it.

Fixes: c5cff856 ("ipv6: add rcu grace period before freeing fib6_node")
Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b4e946c

net/ipv6/route.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -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)

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)

	if (!rt6_get_cookie_safe(rt, &rt_cookie) || rt_cookie != cookie)

		return NULL;

		return NULL;