summaryrefslogtreecommitdiffstats
path: root/net/ipv6/mcast.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r--net/ipv6/mcast.c41
1 files changed, 25 insertions, 16 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 04399cb71e14..096cd67b737c 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1006,6 +1006,13 @@ static void mld_gq_start_timer(struct inet6_dev *idev)
in6_dev_hold(idev);
}
+static void mld_gq_stop_timer(struct inet6_dev *idev)
+{
+ idev->mc_gq_running = 0;
+ if (del_timer(&idev->mc_gq_timer))
+ __in6_dev_put(idev);
+}
+
static void mld_ifc_start_timer(struct inet6_dev *idev, unsigned long delay)
{
unsigned long tv = net_random() % delay;
@@ -1014,6 +1021,13 @@ static void mld_ifc_start_timer(struct inet6_dev *idev, unsigned long delay)
in6_dev_hold(idev);
}
+static void mld_ifc_stop_timer(struct inet6_dev *idev)
+{
+ idev->mc_ifc_count = 0;
+ if (del_timer(&idev->mc_ifc_timer))
+ __in6_dev_put(idev);
+}
+
static void mld_dad_start_timer(struct inet6_dev *idev, unsigned long delay)
{
unsigned long tv = net_random() % delay;
@@ -1022,6 +1036,12 @@ static void mld_dad_start_timer(struct inet6_dev *idev, unsigned long delay)
in6_dev_hold(idev);
}
+static void mld_dad_stop_timer(struct inet6_dev *idev)
+{
+ if (del_timer(&idev->mc_dad_timer))
+ __in6_dev_put(idev);
+}
+
/*
* IGMP handling (alias multicast ICMPv6 messages)
*/
@@ -1234,15 +1254,9 @@ static int mld_process_v1(struct inet6_dev *idev, struct mld_msg *mld,
mld_set_v1_mode(idev);
/* cancel MLDv2 report timer */
- idev->mc_gq_running = 0;
- if (del_timer(&idev->mc_gq_timer))
- __in6_dev_put(idev);
-
+ mld_gq_stop_timer(idev);
/* cancel the interface change timer */
- idev->mc_ifc_count = 0;
- if (del_timer(&idev->mc_ifc_timer))
- __in6_dev_put(idev);
-
+ mld_ifc_stop_timer(idev);
/* clear deleted report items */
mld_clear_delrec(idev);
@@ -2434,14 +2448,9 @@ void ipv6_mc_down(struct inet6_dev *idev)
/* Withdraw multicast list */
read_lock_bh(&idev->lock);
- idev->mc_ifc_count = 0;
- if (del_timer(&idev->mc_ifc_timer))
- __in6_dev_put(idev);
- idev->mc_gq_running = 0;
- if (del_timer(&idev->mc_gq_timer))
- __in6_dev_put(idev);
- if (del_timer(&idev->mc_dad_timer))
- __in6_dev_put(idev);
+ mld_ifc_stop_timer(idev);
+ mld_gq_stop_timer(idev);
+ mld_dad_stop_timer(idev);
for (i = idev->mc_list; i; i=i->next)
igmp6_group_dropped(i);