net: xfrm: convert to SKB frag APIs
Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.1
parent
408dadf03f
commit
804cf14ea5
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@ -70,26 +70,29 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
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while ((scratch += len, dlen -= len) > 0) {
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while ((scratch += len, dlen -= len) > 0) {
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skb_frag_t *frag;
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skb_frag_t *frag;
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struct page *page;
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err = -EMSGSIZE;
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err = -EMSGSIZE;
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if (WARN_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS))
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if (WARN_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS))
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goto out;
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goto out;
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frag = skb_shinfo(skb)->frags + skb_shinfo(skb)->nr_frags;
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frag = skb_shinfo(skb)->frags + skb_shinfo(skb)->nr_frags;
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frag->page = alloc_page(GFP_ATOMIC);
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page = alloc_page(GFP_ATOMIC);
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err = -ENOMEM;
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err = -ENOMEM;
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if (!frag->page)
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if (!page)
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goto out;
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goto out;
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__skb_frag_set_page(frag, page);
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len = PAGE_SIZE;
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len = PAGE_SIZE;
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if (dlen < len)
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if (dlen < len)
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len = dlen;
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len = dlen;
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memcpy(page_address(frag->page), scratch, len);
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frag->page_offset = 0;
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frag->page_offset = 0;
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frag->size = len;
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frag->size = len;
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memcpy(skb_frag_address(frag), scratch, len);
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skb->truesize += len;
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skb->truesize += len;
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skb->data_len += len;
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skb->data_len += len;
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skb->len += len;
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skb->len += len;
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