diff options
Diffstat (limited to 'net/bluetooth/hci_core.c')
| -rw-r--r-- | net/bluetooth/hci_core.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index e7ec12437c8b..012fc107901a 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -57,6 +57,7 @@ DEFINE_RWLOCK(hci_dev_list_lock); /* HCI callback list */ LIST_HEAD(hci_cb_list); +DEFINE_MUTEX(hci_cb_list_lock); /* HCI ID Numbering */ static DEFINE_IDA(hci_index_ida); @@ -2972,7 +2973,9 @@ int hci_register_cb(struct hci_cb *cb) { BT_DBG("%p name %s", cb, cb->name); - list_add_tail_rcu(&cb->list, &hci_cb_list); + mutex_lock(&hci_cb_list_lock); + list_add_tail(&cb->list, &hci_cb_list); + mutex_unlock(&hci_cb_list_lock); return 0; } @@ -2982,8 +2985,9 @@ int hci_unregister_cb(struct hci_cb *cb) { BT_DBG("%p name %s", cb, cb->name); - list_del_rcu(&cb->list); - synchronize_rcu(); + mutex_lock(&hci_cb_list_lock); + list_del(&cb->list); + mutex_unlock(&hci_cb_list_lock); return 0; } |