- struct sk_buff *new_skb = skb;
-
- if (skb_headroom(skb) >= size)
- return skb;
- new_skb = skb_realloc_headroom(skb, size);
- if (!new_skb)
- PRINT_ERR("Could not realloc headroom for qeth_hdr "
- "on interface %s", QETH_CARD_IFNAME(card));
- return new_skb;
+ struct sk_buff *new_skb = NULL;
+
+ if (skb_headroom(*skb) < size){
+ new_skb = skb_realloc_headroom(*skb, size);
+ if (!new_skb) {
+ PRINT_ERR("qeth_prepare_skb: could "
+ "not realloc headroom for qeth_hdr "
+ "on interface %s", QETH_CARD_IFNAME(card));
+ return -ENOMEM;
+ }
+ kfree_skb(*skb);
+ *skb = new_skb;
+ }
+ return 0;