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Diffstat (limited to 'net/ipv4/igmp.c')
-rw-r--r--net/ipv4/igmp.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 68d622133f53..44fd86de2823 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -219,9 +219,14 @@ static void igmp_start_timer(struct ip_mc_list *im, int max_delay)
static void igmp_gq_start_timer(struct in_device *in_dev)
{
int tv = prandom_u32() % in_dev->mr_maxdelay;
+ unsigned long exp = jiffies + tv + 2;
+
+ if (in_dev->mr_gq_running &&
+ time_after_eq(exp, (in_dev->mr_gq_timer).expires))
+ return;
in_dev->mr_gq_running = 1;
- if (!mod_timer(&in_dev->mr_gq_timer, jiffies+tv+2))
+ if (!mod_timer(&in_dev->mr_gq_timer, exp))
in_dev_hold(in_dev);
}
@@ -1167,6 +1172,7 @@ static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im)
psf->sf_crcount = im->crcount;
}
in_dev_put(pmc->interface);
+ kfree(pmc);
}
spin_unlock_bh(&im->lock);
}