aboutsummaryrefslogtreecommitdiffstats
path: root/net/ipv4/igmp.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-10-04 14:56:38 -0400
committerDavid S. Miller <davem@davemloft.net>2010-10-04 14:56:38 -0400
commit21a180cda012e1f93e362dd4a9b0bfd3d8c92940 (patch)
tree0e0d10baa3fdcd8ffbc6881076ff1695808dad9d /net/ipv4/igmp.c
parentc7d4426a98a5f6654cd0b4b33d9dab2e77192c18 (diff)
parent51e97a12bef19b7e43199fc153cf9bd5f2140362 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: net/ipv4/Kconfig net/ipv4/tcp_timer.c
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 1fdcacd36ce7..2a4bb76f2132 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -834,7 +834,7 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
834 int mark = 0; 834 int mark = 0;
835 835
836 836
837 if (len == 8 || IGMP_V2_SEEN(in_dev)) { 837 if (len == 8) {
838 if (ih->code == 0) { 838 if (ih->code == 0) {
839 /* Alas, old v1 router presents here. */ 839 /* Alas, old v1 router presents here. */
840 840
@@ -856,6 +856,18 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
856 igmpv3_clear_delrec(in_dev); 856 igmpv3_clear_delrec(in_dev);
857 } else if (len < 12) { 857 } else if (len < 12) {
858 return; /* ignore bogus packet; freed by caller */ 858 return; /* ignore bogus packet; freed by caller */
859 } else if (IGMP_V1_SEEN(in_dev)) {
860 /* This is a v3 query with v1 queriers present */
861 max_delay = IGMP_Query_Response_Interval;
862 group = 0;
863 } else if (IGMP_V2_SEEN(in_dev)) {
864 /* this is a v3 query with v2 queriers present;
865 * Interpretation of the max_delay code is problematic here.
866 * A real v2 host would use ih_code directly, while v3 has a
867 * different encoding. We use the v3 encoding as more likely
868 * to be intended in a v3 query.
869 */
870 max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
859 } else { /* v3 */ 871 } else { /* v3 */
860 if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) 872 if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
861 return; 873 return;