From: YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>
Date: Wed, 9 Jan 2013 07:19:37 +0000 (+0000)
Subject: ipv4: Use FIELD_SIZEOF() in inet_init().
X-Git-Tag: v3.9-rc1~139^2~428
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=95c7e0e4d4792f9c9629ad759c9be047a3ddbcc5;p=platform%2Fkernel%2Flinux-exynos.git

ipv4: Use FIELD_SIZEOF() in inet_init().

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

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 24b384b..4fdf9671 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1705,12 +1705,11 @@ static struct packet_type ip_packet_type __read_mostly = {
 
 static int __init inet_init(void)
 {
-	struct sk_buff *dummy_skb;
 	struct inet_protosw *q;
 	struct list_head *r;
 	int rc = -EINVAL;
 
-	BUILD_BUG_ON(sizeof(struct inet_skb_parm) > sizeof(dummy_skb->cb));
+	BUILD_BUG_ON(sizeof(struct inet_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb));
 
 	sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL);
 	if (!sysctl_local_reserved_ports)