[QETH]: fix qeth_main.c

drivers/s390/net/qeth_main.c: In function 'qeth_hard_header_parse':
drivers/s390/net/qeth_main.c:6584: error: 'dev' undeclared (first use in this function)
drivers/s390/net/qeth_main.c:6584: error: (Each undeclared identifier is reported only once
drivers/s390/net/qeth_main.c:6584: error: for each function it appears in.)

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/s390/net/qeth_main.c

@@ -6580,11 +6580,12 @@ qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr)
 {
 	const struct qeth_card *card;
 	const struct ethhdr *eth;
+	struct net_device *dev = skb->dev;
 
 	if (dev->type != ARPHRD_IEEE802_TR)
 		return 0;
 
-	card = qeth_get_card_from_dev(skb->dev);
+	card = qeth_get_card_from_dev(dev);
 	if (card->options.layer2)
 		goto haveheader;
 #ifdef CONFIG_QETH_IPV6