Commit 78296840 authored by Steffen Klassert's avatar Steffen Klassert Committed by Greg Kroah-Hartman

ipv6: Fix may be used uninitialized warning in rt6_check

commit 36143645 upstream.

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>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ae04a8c4
...@@ -1267,7 +1267,7 @@ static void rt6_dst_from_metrics_check(struct rt6_info *rt) ...@@ -1267,7 +1267,7 @@ 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;
......
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