From: Ian Campbell <Ian.Campbell@citrix.com>
Date: Mon, 22 Aug 2011 23:45:00 +0000 (+0000)
Subject: net: ipv6: convert to SKB frag APIs
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=408dadf03fe365f12f85d5c3d959f4bb888b9f3e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

net: ipv6: convert to SKB frag APIs

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: "Pekka Savola (ipv6)" <pekkas@netcore.fi>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 4c882cf4e8a1..835c04b5239f 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1480,13 +1480,13 @@ alloc_new_skb:
 			if (page && (left = PAGE_SIZE - off) > 0) {
 				if (copy >= left)
 					copy = left;
-				if (page != frag->page) {
+				if (page != skb_frag_page(frag)) {
 					if (i == MAX_SKB_FRAGS) {
 						err = -EMSGSIZE;
 						goto error;
 					}
-					get_page(page);
 					skb_fill_page_desc(skb, i, page, sk->sk_sndmsg_off, 0);
+					skb_frag_ref(skb, i);
 					frag = &skb_shinfo(skb)->frags[i];
 				}
 			} else if(i < MAX_SKB_FRAGS) {
@@ -1506,7 +1506,8 @@ alloc_new_skb:
 				err = -EMSGSIZE;
 				goto error;
 			}
-			if (getfrag(from, page_address(frag->page)+frag->page_offset+frag->size, offset, copy, skb->len, skb) < 0) {
+			if (getfrag(from, skb_frag_address(frag)+frag->size,
+				    offset, copy, skb->len, skb) < 0) {
 				err = -EFAULT;
 				goto error;
 			}