/* Check if the packet is long enough to just accept without
copying to a properly sized skbuff. */
if (pkt_len < rx_copybreak
- && (skb = dev_alloc_skb(pkt_len + 4)) != 0) {
+ && (skb = dev_alloc_skb(pkt_len + 4)) != NULL) {
skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */
/* 'skb_put()' points to the start of sk_buff data area. */
memcpy(skb_put(skb, pkt_len),