commit 95c7e0e4d4792f9c9629ad759c9be047a3ddbcc5
author YOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org> Wed Jan 09 07:19:37 2013 +0000
committer David S. Miller <davem@davemloft.net> Wed Jan 09 23:38:23 2013 -0800
tree 5673e5919ce7af98d5a9c78f16e8d7883faf4b8b
parent dd4544f05469aaaeee891d7dc54d66430344321e

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>

net/ipv4/af_inet.c

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 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)