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-rw-r--r--net/ipv6/route.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 24c456e..496b627 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2474,8 +2474,12 @@ static int rt6_fill_node(struct net *net,
rcu_read_lock();
n = dst_get_neighbour_noref(&rt->dst);
- if (n)
- NLA_PUT(skb, RTA_GATEWAY, 16, &n->primary_key);
+ if (n) {
+ if (nla_put(skb, RTA_GATEWAY, 16, &n->primary_key) < 0) {
+ rcu_read_unlock();
+ goto nla_put_failure;
+ }
+ }
rcu_read_unlock();
if (rt->dst.dev)
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