3.2.95-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Steffen Klassert <steffen.klassert@xxxxxxxxxxx> commit 3614364527daa870264f6dde77f02853cdecd02c upstream. 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 <steffen.klassert@xxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> [bwh: Backported to 3.2: adjust context] Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- net/ipv6/route.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -964,7 +964,7 @@ struct dst_entry *ip6_blackhole_route(st static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie) { struct rt6_info *rt; - u32 rt_cookie; + u32 rt_cookie = 0; rt = (struct rt6_info *) dst;