From: Ian Campbell <Ian.Campbell@citrix.com>
Date: Mon, 22 Aug 2011 23:45:01 +0000 (+0000)
Subject: net: xfrm: convert to SKB frag APIs
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=804cf14ea5ceca46554d5801e2817bba8116b7e5;p=openwrt%2Fstaging%2Fblogic.git

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>
---

diff --git a/net/xfrm/xfrm_ipcomp.c b/net/xfrm/xfrm_ipcomp.c
index fc91ad7ee26e..f781b9ab8a54 100644
--- a/net/xfrm/xfrm_ipcomp.c
+++ b/net/xfrm/xfrm_ipcomp.c
@@ -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;