diff --git a/[refs] b/[refs]
index 200f792f60b6..01f0ed1f7a20 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a74171005f2f6474e05bdfccb05c9f0d68224a49
+refs/heads/master: 08add0c780b9f5c35de49d83abb7a4e14a9cd457
diff --git a/trunk/drivers/usb/atm/usbatm.c b/trunk/drivers/usb/atm/usbatm.c
index 40380434ba96..9b53e8df4648 100644
--- a/trunk/drivers/usb/atm/usbatm.c
+++ b/trunk/drivers/usb/atm/usbatm.c
@@ -1349,7 +1349,7 @@ static int __init usbatm_usb_init(void)
 {
 	dbg("%s: driver version %s", __func__, DRIVER_VERSION);
 
-	if (sizeof(struct usbatm_control) > sizeof(((struct sk_buff *) 0)->cb)) {
+	if (sizeof(struct usbatm_control) > FIELD_SIZEOF(struct sk_buff, cb)) {
 		printk(KERN_ERR "%s unusable with this kernel!\n", usbatm_driver_name);
 		return -EIO;
 	}