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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2009-03-28 20:29:51 (GMT)
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-03-28 20:29:51 (GMT)
commited40d0c472b136682b2fcba05f89762859c7374f (patch)
tree076b83a26bcd63d6158463735dd34c10bbc591dc /net/ipv4/arp.c
parent9e495834e59ca9b29f1a1f63b9f5533bb022ac49 (diff)
parent5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff)
downloadlinux-fsl-qoriq-ed40d0c472b136682b2fcba05f89762859c7374f.tar.xz
Merge branch 'origin' into devel
Conflicts: sound/soc/pxa/pxa2xx-i2s.c
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 29a74c0..f11931c 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -801,8 +801,11 @@ static int arp_process(struct sk_buff *skb)
* cache.
*/
- /* Special case: IPv4 duplicate address detection packet (RFC2131) */
- if (sip == 0) {
+ /*
+ * Special case: IPv4 duplicate address detection packet (RFC2131)
+ * and Gratuitous ARP/ARP Announce. (RFC3927, Section 2.4)
+ */
+ if (sip == 0 || tip == sip) {
if (arp->ar_op == htons(ARPOP_REQUEST) &&
inet_addr_type(net, tip) == RTN_LOCAL &&
!arp_ignore(in_dev, sip, tip))
@@ -892,7 +895,7 @@ static int arp_process(struct sk_buff *skb)
out:
if (in_dev)
in_dev_put(in_dev);
- kfree_skb(skb);
+ consume_skb(skb);
return 0;
}
@@ -1225,8 +1228,8 @@ void arp_ifdown(struct net_device *dev)
* Called once on startup.
*/
-static struct packet_type arp_packet_type = {
- .type = __constant_htons(ETH_P_ARP),
+static struct packet_type arp_packet_type __read_mostly = {
+ .type = cpu_to_be16(ETH_P_ARP),
.func = arp_rcv,
};