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-rw-r--r--net/bluetooth/hci_conn.c18
-rw-r--r--net/bluetooth/hci_event.c5
-rw-r--r--net/bluetooth/hci_sync.c19
-rw-r--r--net/bluetooth/iso.c64
-rw-r--r--net/bluetooth/mgmt_util.h2
-rw-r--r--net/bluetooth/rfcomm/sock.c7
6 files changed, 57 insertions, 58 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index d3e542c2fc3e..acf563fbdfd9 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -821,6 +821,7 @@ static void terminate_big_destroy(struct hci_dev *hdev, void *data, int err)
static int hci_le_terminate_big(struct hci_dev *hdev, u8 big, u8 bis)
{
struct iso_list_data *d;
+ int ret;
bt_dev_dbg(hdev, "big 0x%2.2x bis 0x%2.2x", big, bis);
@@ -831,8 +832,12 @@ static int hci_le_terminate_big(struct hci_dev *hdev, u8 big, u8 bis)
d->big = big;
d->bis = bis;
- return hci_cmd_sync_queue(hdev, terminate_big_sync, d,
- terminate_big_destroy);
+ ret = hci_cmd_sync_queue(hdev, terminate_big_sync, d,
+ terminate_big_destroy);
+ if (ret)
+ kfree(d);
+
+ return ret;
}
static int big_terminate_sync(struct hci_dev *hdev, void *data)
@@ -857,6 +862,7 @@ static int big_terminate_sync(struct hci_dev *hdev, void *data)
static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, u16 sync_handle)
{
struct iso_list_data *d;
+ int ret;
bt_dev_dbg(hdev, "big 0x%2.2x sync_handle 0x%4.4x", big, sync_handle);
@@ -867,8 +873,12 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, u16 sync_handle)
d->big = big;
d->sync_handle = sync_handle;
- return hci_cmd_sync_queue(hdev, big_terminate_sync, d,
- terminate_big_destroy);
+ ret = hci_cmd_sync_queue(hdev, big_terminate_sync, d,
+ terminate_big_destroy);
+ if (ret)
+ kfree(d);
+
+ return ret;
}
/* Cleanup BIS connection
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 0594af4e37ca..ad92a4be5851 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -3848,8 +3848,11 @@ static u8 hci_cc_le_set_cig_params(struct hci_dev *hdev, void *data,
conn->handle, conn->link);
/* Create CIS if LE is already connected */
- if (conn->link && conn->link->state == BT_CONNECTED)
+ if (conn->link && conn->link->state == BT_CONNECTED) {
+ rcu_read_unlock();
hci_le_create_cis(conn->link);
+ rcu_read_lock();
+ }
if (i == rp->num_handles)
break;
diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index 9e2d7e4b850c..117eedb6f709 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -3572,7 +3572,7 @@ static const struct hci_init_stage hci_init2[] = {
static int hci_le_read_buffer_size_sync(struct hci_dev *hdev)
{
/* Use Read LE Buffer Size V2 if supported */
- if (hdev->commands[41] & 0x20)
+ if (iso_capable(hdev) && hdev->commands[41] & 0x20)
return __hci_cmd_sync_status(hdev,
HCI_OP_LE_READ_BUFFER_SIZE_V2,
0, NULL, HCI_CMD_TIMEOUT);
@@ -3597,10 +3597,10 @@ static int hci_le_read_supported_states_sync(struct hci_dev *hdev)
/* LE Controller init stage 2 command sequence */
static const struct hci_init_stage le_init2[] = {
- /* HCI_OP_LE_READ_BUFFER_SIZE */
- HCI_INIT(hci_le_read_buffer_size_sync),
/* HCI_OP_LE_READ_LOCAL_FEATURES */
HCI_INIT(hci_le_read_local_features_sync),
+ /* HCI_OP_LE_READ_BUFFER_SIZE */
+ HCI_INIT(hci_le_read_buffer_size_sync),
/* HCI_OP_LE_READ_SUPPORTED_STATES */
HCI_INIT(hci_le_read_supported_states_sync),
{}
@@ -6187,20 +6187,13 @@ int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
static int _update_adv_data_sync(struct hci_dev *hdev, void *data)
{
- u8 instance = *(u8 *)data;
-
- kfree(data);
+ u8 instance = PTR_ERR(data);
return hci_update_adv_data_sync(hdev, instance);
}
int hci_update_adv_data(struct hci_dev *hdev, u8 instance)
{
- u8 *inst_ptr = kmalloc(1, GFP_KERNEL);
-
- if (!inst_ptr)
- return -ENOMEM;
-
- *inst_ptr = instance;
- return hci_cmd_sync_queue(hdev, _update_adv_data_sync, inst_ptr, NULL);
+ return hci_cmd_sync_queue(hdev, _update_adv_data_sync,
+ ERR_PTR(instance), NULL);
}
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 035bb5d25f85..24444b502e58 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -289,15 +289,15 @@ static int iso_connect_bis(struct sock *sk)
hci_dev_unlock(hdev);
hci_dev_put(hdev);
+ err = iso_chan_add(conn, sk, NULL);
+ if (err)
+ return err;
+
lock_sock(sk);
/* Update source addr of the socket */
bacpy(&iso_pi(sk)->src, &hcon->src);
- err = iso_chan_add(conn, sk, NULL);
- if (err)
- goto release;
-
if (hcon->state == BT_CONNECTED) {
iso_sock_clear_timer(sk);
sk->sk_state = BT_CONNECTED;
@@ -306,7 +306,6 @@ static int iso_connect_bis(struct sock *sk)
iso_sock_set_timer(sk, sk->sk_sndtimeo);
}
-release:
release_sock(sk);
return err;
@@ -372,15 +371,15 @@ static int iso_connect_cis(struct sock *sk)
hci_dev_unlock(hdev);
hci_dev_put(hdev);
+ err = iso_chan_add(conn, sk, NULL);
+ if (err)
+ return err;
+
lock_sock(sk);
/* Update source addr of the socket */
bacpy(&iso_pi(sk)->src, &hcon->src);
- err = iso_chan_add(conn, sk, NULL);
- if (err)
- goto release;
-
if (hcon->state == BT_CONNECTED) {
iso_sock_clear_timer(sk);
sk->sk_state = BT_CONNECTED;
@@ -392,7 +391,6 @@ static int iso_connect_cis(struct sock *sk)
iso_sock_set_timer(sk, sk->sk_sndtimeo);
}
-release:
release_sock(sk);
return err;
@@ -895,13 +893,10 @@ static int iso_listen_bis(struct sock *sk)
if (!hdev)
return -EHOSTUNREACH;
- hci_dev_lock(hdev);
-
err = hci_pa_create_sync(hdev, &iso_pi(sk)->dst,
le_addr_type(iso_pi(sk)->dst_type),
iso_pi(sk)->bc_sid);
- hci_dev_unlock(hdev);
hci_dev_put(hdev);
return err;
@@ -1432,33 +1427,29 @@ static void iso_conn_ready(struct iso_conn *conn)
struct sock *parent;
struct sock *sk = conn->sk;
struct hci_ev_le_big_sync_estabilished *ev;
+ struct hci_conn *hcon;
BT_DBG("conn %p", conn);
if (sk) {
iso_sock_ready(conn->sk);
} else {
- iso_conn_lock(conn);
-
- if (!conn->hcon) {
- iso_conn_unlock(conn);
+ hcon = conn->hcon;
+ if (!hcon)
return;
- }
- ev = hci_recv_event_data(conn->hcon->hdev,
+ ev = hci_recv_event_data(hcon->hdev,
HCI_EVT_LE_BIG_SYNC_ESTABILISHED);
if (ev)
- parent = iso_get_sock_listen(&conn->hcon->src,
- &conn->hcon->dst,
+ parent = iso_get_sock_listen(&hcon->src,
+ &hcon->dst,
iso_match_big, ev);
else
- parent = iso_get_sock_listen(&conn->hcon->src,
+ parent = iso_get_sock_listen(&hcon->src,
BDADDR_ANY, NULL, NULL);
- if (!parent) {
- iso_conn_unlock(conn);
+ if (!parent)
return;
- }
lock_sock(parent);
@@ -1466,30 +1457,29 @@ static void iso_conn_ready(struct iso_conn *conn)
BTPROTO_ISO, GFP_ATOMIC, 0);
if (!sk) {
release_sock(parent);
- iso_conn_unlock(conn);
return;
}
iso_sock_init(sk, parent);
- bacpy(&iso_pi(sk)->src, &conn->hcon->src);
- iso_pi(sk)->src_type = conn->hcon->src_type;
+ bacpy(&iso_pi(sk)->src, &hcon->src);
+ iso_pi(sk)->src_type = hcon->src_type;
/* If hcon has no destination address (BDADDR_ANY) it means it
* was created by HCI_EV_LE_BIG_SYNC_ESTABILISHED so we need to
* initialize using the parent socket destination address.
*/
- if (!bacmp(&conn->hcon->dst, BDADDR_ANY)) {
- bacpy(&conn->hcon->dst, &iso_pi(parent)->dst);
- conn->hcon->dst_type = iso_pi(parent)->dst_type;
- conn->hcon->sync_handle = iso_pi(parent)->sync_handle;
+ if (!bacmp(&hcon->dst, BDADDR_ANY)) {
+ bacpy(&hcon->dst, &iso_pi(parent)->dst);
+ hcon->dst_type = iso_pi(parent)->dst_type;
+ hcon->sync_handle = iso_pi(parent)->sync_handle;
}
- bacpy(&iso_pi(sk)->dst, &conn->hcon->dst);
- iso_pi(sk)->dst_type = conn->hcon->dst_type;
+ bacpy(&iso_pi(sk)->dst, &hcon->dst);
+ iso_pi(sk)->dst_type = hcon->dst_type;
- hci_conn_hold(conn->hcon);
- __iso_chan_add(conn, sk, parent);
+ hci_conn_hold(hcon);
+ iso_chan_add(conn, sk, parent);
if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags))
sk->sk_state = BT_CONNECT2;
@@ -1500,8 +1490,6 @@ static void iso_conn_ready(struct iso_conn *conn)
parent->sk_data_ready(parent);
release_sock(parent);
-
- iso_conn_unlock(conn);
}
}
diff --git a/net/bluetooth/mgmt_util.h b/net/bluetooth/mgmt_util.h
index 6a8b7e84293d..bdf978605d5a 100644
--- a/net/bluetooth/mgmt_util.h
+++ b/net/bluetooth/mgmt_util.h
@@ -27,7 +27,7 @@ struct mgmt_mesh_tx {
struct sock *sk;
u8 handle;
u8 instance;
- u8 param[sizeof(struct mgmt_cp_mesh_send) + 29];
+ u8 param[sizeof(struct mgmt_cp_mesh_send) + 31];
};
struct mgmt_pending_cmd {
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 21e24da4847f..4397e14ff560 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -391,6 +391,7 @@ static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int a
addr->sa_family != AF_BLUETOOTH)
return -EINVAL;
+ sock_hold(sk);
lock_sock(sk);
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND) {
@@ -410,14 +411,18 @@ static int rfcomm_sock_connect(struct socket *sock, struct sockaddr *addr, int a
d->sec_level = rfcomm_pi(sk)->sec_level;
d->role_switch = rfcomm_pi(sk)->role_switch;
+ /* Drop sock lock to avoid potential deadlock with the RFCOMM lock */
+ release_sock(sk);
err = rfcomm_dlc_open(d, &rfcomm_pi(sk)->src, &sa->rc_bdaddr,
sa->rc_channel);
- if (!err)
+ lock_sock(sk);
+ if (!err && !sock_flag(sk, SOCK_ZAPPED))
err = bt_sock_wait_state(sk, BT_CONNECTED,
sock_sndtimeo(sk, flags & O_NONBLOCK));
done:
release_sock(sk);
+ sock_put(sk);
return err;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 06:46:10 +0100