3.16.50-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 3.16: 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
@@ -1090,7 +1090,7 @@ 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;