net: eliminate meaningless memcpy to data in pskb_carve_inside_nonlinear()
The frags of skb_shared_info of the data is assigned in following loop. It is meaningless to do a memcpy of frags here. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -5953,8 +5953,7 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off,
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size = SKB_WITH_OVERHEAD(ksize(data));
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memcpy((struct skb_shared_info *)(data + size),
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skb_shinfo(skb), offsetof(struct skb_shared_info,
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frags[skb_shinfo(skb)->nr_frags]));
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skb_shinfo(skb), offsetof(struct skb_shared_info, frags[0]));
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if (skb_orphan_frags(skb, gfp_mask)) {
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kfree(data);
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return -ENOMEM;
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