arp: fixed error in a comment

the is_garp code deals just with gratuitous ARP packets, not every
unsolicited packet.

This patch is a result of a discussion in netdev:
http://marc.info/?l=linux-netdev&m=149506354216994

Suggested-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ihar Hrachyshka 2017-05-18 12:41:18 -07:00 committed by David S. Miller
parent 499350a5a6
commit 34eb5fe078

View File

@ -846,7 +846,7 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb)
*/
is_garp = tip == sip && addr_type == RTN_UNICAST;
/* Unsolicited ARP _replies_ also require target hwaddr to be
/* Gratuitous ARP _replies_ also require target hwaddr to be
* the same as source.
*/
if (is_garp && arp->ar_op == htons(ARPOP_REPLY))