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-rw-r--r--net/batman-adv/translation-table.c17
-rw-r--r--net/batman-adv/types.h4
2 files changed, 18 insertions, 3 deletions
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 873fb3d8e56f..c7aafc7c5ed4 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -137,10 +137,22 @@ static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
kfree_rcu(tt_local_entry, rcu);
}
+static void tt_global_entry_free_rcu(struct rcu_head *rcu)
+{
+ struct tt_global_entry *tt_global_entry;
+
+ tt_global_entry = container_of(rcu, struct tt_global_entry, rcu);
+
+ if (tt_global_entry->orig_node)
+ orig_node_free_ref(tt_global_entry->orig_node);
+
+ kfree(tt_global_entry);
+}
+
static void tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry)
{
if (atomic_dec_and_test(&tt_global_entry->refcount))
- kfree_rcu(tt_global_entry, rcu);
+ call_rcu(&tt_global_entry->rcu, tt_global_entry_free_rcu);
}
static void tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr,
@@ -710,6 +722,9 @@ void tt_global_del_orig(struct bat_priv *bat_priv,
struct hlist_head *head;
spinlock_t *list_lock; /* protects write access to the hash lists */
+ if (!hash)
+ return;
+
for (i = 0; i < hash->size; i++) {
head = &hash->table[i];
list_lock = &hash->list_locks[i];
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index 1ae355750511..ab8d0fe6df5a 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -224,22 +224,22 @@ struct socket_packet {
struct tt_local_entry {
uint8_t addr[ETH_ALEN];
+ struct hlist_node hash_entry;
unsigned long last_seen;
uint16_t flags;
atomic_t refcount;
struct rcu_head rcu;
- struct hlist_node hash_entry;
};
struct tt_global_entry {
uint8_t addr[ETH_ALEN];
+ struct hlist_node hash_entry; /* entry in the global table */
struct orig_node *orig_node;
uint8_t ttvn;
uint16_t flags; /* only TT_GLOBAL_ROAM is used */
unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
atomic_t refcount;
struct rcu_head rcu;
- struct hlist_node hash_entry; /* entry in the global table */
};
struct tt_change_node {