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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2013-01-13 05:02:45 +0000
committerDavid S. Miller <davem@davemloft.net>2013-01-13 20:17:14 -0500
commitdd3332bfcb2223458f553f341d3388cb84040e6a (patch)
treed48ba8b295ee3d08c4b4b4f8d924038ccec2c5eb /net/ipv6/ip6_input.c
parent2b464f61f036f7fb9cbc34710c9b2390499e87d0 (diff)
downloadlinux-stericsson-dd3332bfcb2223458f553f341d3388cb84040e6a.tar.gz
ipv6: Store Router Alert option in IP6CB directly.
Router Alert option is very small and we can store the value itself in the skb. Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_input.c')
-rw-r--r--net/ipv6/ip6_input.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 2ccd35ec3628..4ac5bf30e16a 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -280,9 +280,8 @@ int ip6_mc_input(struct sk_buff *skb)
struct inet6_skb_parm *opt = IP6CB(skb);
/* Check for MLD */
- if (unlikely(opt->ra)) {
+ if (unlikely(opt->flags & IP6SKB_ROUTERALERT)) {
/* Check if this is a mld message */
- u8 *ptr = skb_network_header(skb) + opt->ra;
u8 nexthdr = hdr->nexthdr;
__be16 frag_off;
int offset;
@@ -290,7 +289,7 @@ int ip6_mc_input(struct sk_buff *skb)
/* Check if the value of Router Alert
* is for MLD (0x0000).
*/
- if ((ptr[2] | ptr[3]) == 0) {
+ if (opt->ra == htons(IPV6_OPT_ROUTERALERT_MLD)) {
deliver = false;
if (!ipv6_ext_hdr(nexthdr)) {