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-rw-r--r--net/batman-adv/main.c1
-rw-r--r--net/batman-adv/main.h2
-rw-r--r--net/batman-adv/multicast.c11
-rw-r--r--net/batman-adv/types.h5
4 files changed, 10 insertions, 9 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index dabcaff87e34..4a89177def64 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -168,6 +168,7 @@ int batadv_mesh_init(struct net_device *soft_iface)
spin_lock_init(&bat_priv->tt.commit_lock);
spin_lock_init(&bat_priv->gw.list_lock);
#ifdef CONFIG_BATMAN_ADV_MCAST
+ spin_lock_init(&bat_priv->mcast.mla_lock);
spin_lock_init(&bat_priv->mcast.want_lists_lock);
#endif
spin_lock_init(&bat_priv->tvlv.container_list_lock);
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index f827e441025f..c59afcba31e0 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -13,7 +13,7 @@
#define BATADV_DRIVER_DEVICE "batman-adv"
#ifndef BATADV_SOURCE_VERSION
-#define BATADV_SOURCE_VERSION "2019.1"
+#define BATADV_SOURCE_VERSION "2019.2"
#endif
/* B.A.T.M.A.N. parameters */
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 3feb9435b715..ec54e236e345 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -314,8 +314,6 @@ static void batadv_mcast_mla_list_free(struct hlist_head *mcast_list)
* translation table except the ones listed in the given mcast_list.
*
* If mcast_list is NULL then all are retracted.
- *
- * Do not call outside of the mcast worker! (or cancel mcast worker first)
*/
static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
struct hlist_head *mcast_list)
@@ -323,8 +321,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
struct batadv_hw_addr *mcast_entry;
struct hlist_node *tmp;
- WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
-
hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list,
list) {
if (mcast_list &&
@@ -348,8 +344,6 @@ static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,
*
* Adds multicast listener announcements from the given mcast_list to the
* translation table if they have not been added yet.
- *
- * Do not call outside of the mcast worker! (or cancel mcast worker first)
*/
static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,
struct hlist_head *mcast_list)
@@ -357,8 +351,6 @@ static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,
struct batadv_hw_addr *mcast_entry;
struct hlist_node *tmp;
- WARN_ON(delayed_work_pending(&bat_priv->mcast.work));
-
if (!mcast_list)
return;
@@ -647,7 +639,10 @@ static void batadv_mcast_mla_update(struct work_struct *work)
priv_mcast = container_of(delayed_work, struct batadv_priv_mcast, work);
bat_priv = container_of(priv_mcast, struct batadv_priv, mcast);
+ spin_lock(&bat_priv->mcast.mla_lock);
__batadv_mcast_mla_update(bat_priv);
+ spin_unlock(&bat_priv->mcast.mla_lock);
+
batadv_mcast_start_timer(bat_priv);
}
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 357ca119329a..74b644738a36 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -1212,6 +1212,11 @@ struct batadv_priv_mcast {
unsigned char bridged:1;
/**
+ * @mla_lock: a lock protecting mla_list and mla_flags
+ */
+ spinlock_t mla_lock;
+
+ /**
* @num_want_all_unsnoopables: number of nodes wanting unsnoopable IP
* traffic
*/