netlink: don't orphan skb in netlink_trim()

[firefly-linux-kernel-4.4.55.git] / net / netlink / af_netlink.c

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 978a61f7c87f19ec6f6e50ae8c75ecd83f114d4b..26779c24b1d4b276f667fb47d50feb0b5bdee21e 100644 (file)
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -851,7 +851,7 @@ static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
 {
        int delta;
 
-       skb_orphan(skb);
+       WARN_ON(skb->sk != NULL);
 
        delta = skb->end - skb->tail;
        if (delta * 2 < skb->truesize)