Patchwork [net-next,1/6] ipv4: Use FIELD_SIZEOF() in inet_init().

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Submitter YOSHIFUJI Hideaki / 吉藤英明
Date Jan. 9, 2013, 5:19 p.m.
Message ID <50EDA6A9.9060707@linux-ipv6.org>
Download mbox | patch
Permalink /patch/210794/
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/ipv4/af_inet.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Patch

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 24b384b..4fdf967 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)