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igmp: Avoid zero delay when receiving odd mixture of IGMP queries
[pandora-kernel.git]
/
net
/
ipv4
/
igmp.c
diff --git
a/net/ipv4/igmp.c
b/net/ipv4/igmp.c
index
b2ca095
..
c3cc64c
100644
(file)
--- a/
net/ipv4/igmp.c
+++ b/
net/ipv4/igmp.c
@@
-875,6
+875,8
@@
static void igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
* to be intended in a v3 query.
*/
max_delay = IGMPV3_MRC(ih3->code)*(HZ/IGMP_TIMER_SCALE);
+ if (!max_delay)
+ max_delay = 1; /* can't mod w/ 0 */
} else { /* v3 */
if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
return;