The patch changes the old one to equivalent code in IGMPv3 as David Stevens's suggestion
http://lkml.org/lkml/2005/10/31/221
Regards
Signed-off-by: Yan Zheng<[email protected]>
Index:net/ipv6/mcast.c
==============================================================
--- linux-2.6.14/net/ipv6/mcast.c 2005-11-09 16:00:48.000000000 +0800
+++ linux/net/ipv6/mcast.c 2005-11-09 16:20:03.000000000 +0800
@@ -1149,6 +1149,14 @@ int igmp6_event_query(struct sk_buff *sk
return -EINVAL;
}
mlh2 = (struct mld2_query *) skb->h.raw;
+ if (mlh2->nsrcs != 0) {
+ if (!pskb_may_pull(skb, srcs_offset +
+ mlh2->nsrcs * sizeof(struct in6_addr))) {
+ in6_dev_put(idev);
+ return -EINVAL;
+ }
+ mlh2 = (struct mld2_query *) skb->h.raw;
+ }
max_delay = (MLDV2_MRC(ntohs(mlh2->mrc))*HZ)/1000;
if (!max_delay)
max_delay = 1;
@@ -1165,15 +1173,7 @@ int igmp6_event_query(struct sk_buff *sk
return 0;
}
/* mark sources to include, if group & source-specific */
- if (mlh2->nsrcs != 0) {
- if (!pskb_may_pull(skb, srcs_offset +
- mlh2->nsrcs * sizeof(struct in6_addr))) {
- in6_dev_put(idev);
- return -EINVAL;
- }
- mlh2 = (struct mld2_query *) skb->h.raw;
- mark = 1;
- }
+ mark = mlh2->nsrcs != 0;
} else {
in6_dev_put(idev);
return -EINVAL;
-
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