* Fills MAC header fields, depending on MAC type. Returns 0, If MAC type
* is a valid type and initialization completes correctly 1, otherwise.
*/
-int llc_mac_hdr_init(struct sk_buff *skb, unsigned char *sa, unsigned char *da)
+int llc_mac_hdr_init(struct sk_buff *skb,
+ const unsigned char *sa, const unsigned char *da)
{
int rc = 0;
dsap, LLC_PDU_CMD);
llc_pdu_init_as_ui_cmd(skb);
rc = llc_mac_hdr_init(skb, skb->dev->dev_addr, dmac);
- if (!rc)
+ if (likely(!rc))
rc = dev_queue_xmit(skb);
return rc;
}