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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /net/ipv4/igmp.c
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index a1ad0e7180d..2a4bb76f213 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -856,6 +856,18 @@ static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
igmpv3_clear_delrec(in_dev);
} else if (len < 12) {
return; /* ignore bogus packet; freed by caller */
+ } else if (IGMP_V1_SEEN(in_dev)) {
+ /* This is a v3 query with v1 queriers present */
+ max_delay = IGMP_Query_Response_Interval;
+ group = 0;
+ } else if (IGMP_V2_SEEN(in_dev)) {
+ /* this is a v3 query with v2 queriers present;
+ * Interpretation of the max_delay code is problematic here.
+ * A real v2 host would use ih_code directly, while v3 has a
+ * different encoding. We use the v3 encoding as more likely
+ * to be intended in a v3 query.
+ */
+ max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
} else { /* v3 */
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
return;