 if (sa->sax25_family != AF_AX25) return -EINVAL;  if (!sa->sax25_ndigis) return -EINVAL; 
static int sp_set_mac_address(struct net_device *dev, void *addr){	struct sockaddr_ax25 *sa = addr;	if (sa->sax25_family != AF_AX25)		return -EINVAL;	if (!sa->sax25_ndigis)		return -EINVAL;	spin_lock_irq(&dev->xmit_lock);	memcpy(dev->dev_addr, &sa->sax25_call, AX25_ADDR_LEN);	spin_unlock_irq(&dev->xmit_lock);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/214838a2108b4b1e18abce2e28d37996e9bf7c68/6pack.c/clean/drivers/net/hamradio/6pack.c