From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Wed, 9 Jan 2013 07:19:48 +0000 (+0000)
Subject: netlink: Use FIELD_SIZEOF() in netlink_proto_init().
X-Git-Tag: v3.9-rc1~139^2~426
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fab25745912a82baa7c9e73f59079108d56b5d26;p=platform%2Fkernel%2Flinux-exynos.git

netlink: Use FIELD_SIZEOF() in netlink_proto_init().

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index c0353d5..74827e3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2185,7 +2185,6 @@ static struct pernet_operations __net_initdata netlink_net_ops = {
 
 static int __init netlink_proto_init(void)
 {
-	struct sk_buff *dummy_skb;
 	int i;
 	unsigned long limit;
 	unsigned int order;
@@ -2194,7 +2193,7 @@ static int __init netlink_proto_init(void)
 	if (err != 0)
 		goto out;
 
-	BUILD_BUG_ON(sizeof(struct netlink_skb_parms) > sizeof(dummy_skb->cb));
+	BUILD_BUG_ON(sizeof(struct netlink_skb_parms) > FIELD_SIZEOF(struct sk_buff, cb));
 
 	nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);
 	if (!nl_table)