drivers/net/usb/usbnet.c: Use FIELD_SIZEOF macro in usbnet_init() fun…

…ction. Signed-off-by: Thiago Farina <tfransosi@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Apr 18, 2011 · c582a95 · c582a95
1 parent 5e4011e
commit c582a95
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
@@ -1529,9 +1529,9 @@ EXPORT_SYMBOL_GPL(usbnet_resume);
 
 static int __init usbnet_init(void)
 {
-	/* compiler should optimize this out */
-	BUILD_BUG_ON (sizeof (((struct sk_buff *)0)->cb)
-			< sizeof (struct skb_data));
+	/* Compiler should optimize this out. */
+	BUILD_BUG_ON(
+		FIELD_SIZEOF(struct sk_buff, cb) < sizeof(struct skb_data));
 
 	random_ether_addr(node_id);
 	return 0;