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Commit 804cf14e authored by Ian Campbell's avatar Ian Campbell Committed by David S. Miller
Browse files

net: xfrm: convert to SKB frag APIs 



Signed-off-by: default avatarIan Campbell <ian.campbell@citrix.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 408dadf0

net/xfrm/xfrm_ipcomp.c

+7 −4
Original line number Diff line number Diff line
@@ -70,26 +70,29 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb) 


	while ((scratch += len, dlen -= len) > 0) {

		skb_frag_t *frag;

		struct page *page;



		err = -EMSGSIZE;

		if (WARN_ON(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS))

			goto out;



		frag = skb_shinfo(skb)->frags + skb_shinfo(skb)->nr_frags;

		frag->page = alloc_page(GFP_ATOMIC);

		page = alloc_page(GFP_ATOMIC);



		err = -ENOMEM;

		if (!frag->page)

		if (!page)

			goto out;



		__skb_frag_set_page(frag, page);



		len = PAGE_SIZE;

		if (dlen < len)

			len = dlen;



		memcpy(page_address(frag->page), scratch, len);



		frag->page_offset = 0;

		frag->size = len;

		memcpy(skb_frag_address(frag), scratch, len);



		skb->truesize += len;

		skb->data_len += len;

		skb->len += len;