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- --- a/net/netlink/af_netlink.c
- +++ b/net/netlink/af_netlink.c
- @@ -1107,24 +1107,7 @@ void netlink_detachskb(struct sock *sk,
-
- static struct sk_buff *netlink_trim(struct sk_buff *skb, gfp_t allocation)
- {
- - int delta;
- -
- WARN_ON(skb->sk != NULL);
- - delta = skb->end - skb->tail;
- - if (is_vmalloc_addr(skb->head) || delta * 2 < skb->truesize)
- - return skb;
- -
- - if (skb_shared(skb)) {
- - struct sk_buff *nskb = skb_clone(skb, allocation);
- - if (!nskb)
- - return skb;
- - consume_skb(skb);
- - skb = nskb;
- - }
- -
- - if (!pskb_expand_head(skb, 0, -delta, allocation))
- - skb->truesize -= delta;
- -
- return skb;
- }
-
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