Rafał Miłecki <ra...@milecki.pl> writes: >>> + unsigned char *eth_data = skb_mac_header(skb) + ETH_HLEN; >>> +#if !defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) >> >> #ifndef? > > I followed what is used in the include/linux/etherdevice.h. Is that a > good exceuse? Could it be there any some good reason for #if defined()?
Don't know, maybe just a matter of taste? But it would be nice to know the background behind #ifdef vs #if defined(), never figured it out why two different forms. -- Kalle Valo
