Patchwork [net-next,2/6] ipv6: Use FIELD_SIZEOF() in inet6_init().

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Submitter YOSHIFUJI Hideaki / 吉藤英明
Date Jan. 9, 2013, 5:19 p.m.
Message ID <50EDA6AF.7020509@linux-ipv6.org>
Download mbox | patch
Permalink /patch/210795/
State Accepted
Delegated to: David Miller
Headers show

Comments

YOSHIFUJI Hideaki / 吉藤英明 - Jan. 9, 2013, 5:19 p.m.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
---
 net/ipv6/af_inet6.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b043c60..6b793bf 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -811,11 +811,10 @@  static struct pernet_operations inet6_net_ops = {
 
 static int __init inet6_init(void)
 {
-	struct sk_buff *dummy_skb;
 	struct list_head *r;
 	int err = 0;
 
-	BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
+	BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb));
 
 	/* Register the socket-side information for inet6_create.  */
 	for (r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)