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-rw-r--r--net/ipv4/arp.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 8a3881e28aca..c29d75d8f1b1 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -801,11 +801,8 @@ static int arp_process(struct sk_buff *skb)
801 * cache. 801 * cache.
802 */ 802 */
803 803
804 /* 804 /* Special case: IPv4 duplicate address detection packet (RFC2131) */
805 * Special case: IPv4 duplicate address detection packet (RFC2131) 805 if (sip == 0) {
806 * and Gratuitous ARP/ARP Announce. (RFC3927, Section 2.4)
807 */
808 if (sip == 0 || tip == sip) {
809 if (arp->ar_op == htons(ARPOP_REQUEST) && 806 if (arp->ar_op == htons(ARPOP_REQUEST) &&
810 inet_addr_type(net, tip) == RTN_LOCAL && 807 inet_addr_type(net, tip) == RTN_LOCAL &&
811 !arp_ignore(in_dev, sip, tip)) 808 !arp_ignore(in_dev, sip, tip))