diff options
-rw-r--r-- | drivers/bluetooth/btbcm.c | 1 | ||||
-rw-r--r-- | drivers/bluetooth/hci_bcm.c | 12 | ||||
-rw-r--r-- | drivers/bluetooth/hci_serdev.c | 4 | ||||
-rw-r--r-- | net/bluetooth/bnep/core.c | 11 | ||||
-rw-r--r-- | net/bluetooth/cmtp/core.c | 17 | ||||
-rw-r--r-- | net/bluetooth/hci_core.c | 7 | ||||
-rw-r--r-- | net/bluetooth/hidp/core.c | 33 | ||||
-rw-r--r-- | net/bluetooth/l2cap_sock.c | 5 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/sock.c | 3 | ||||
-rw-r--r-- | net/bluetooth/sco.c | 6 |
10 files changed, 60 insertions, 39 deletions
diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index 24f8c4e93f4e..9ab6cfbb831d 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -295,6 +295,7 @@ static const struct { { 0x410e, "BCM43341B0" }, /* 002.001.014 */ { 0x4406, "BCM4324B3" }, /* 002.004.006 */ { 0x610c, "BCM4354" }, /* 003.001.012 */ + { 0x2209, "BCM43430A1" }, /* 001.002.009 */ { } }; diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index d2e9e2d1b014..6a662d0161b4 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -419,8 +419,7 @@ finalize: if (err) return err; - err = bcm_request_irq(bcm); - if (!err) + if (!bcm_request_irq(bcm)) err = bcm_setup_sleep(hu); return err; @@ -657,6 +656,15 @@ static const struct dmi_system_id bcm_wrong_irq_dmi_table[] = { }, .driver_data = &acpi_active_low, }, + { + .ident = "Asus T100CHI", + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, + "ASUSTeK COMPUTER INC."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100CHI"), + }, + .driver_data = &acpi_active_low, + }, { /* Handle ThinkPad 8 tablets with BCM2E55 chipset ACPI ID */ .ident = "Lenovo ThinkPad 8", .matches = { diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c index 7de0edc0ff8c..aea930101dd2 100644 --- a/drivers/bluetooth/hci_serdev.c +++ b/drivers/bluetooth/hci_serdev.c @@ -31,7 +31,7 @@ #include "hci_uart.h" -struct serdev_device_ops hci_serdev_client_ops; +static struct serdev_device_ops hci_serdev_client_ops; static inline void hci_uart_tx_complete(struct hci_uart *hu, int pkt_type) { @@ -268,7 +268,7 @@ static int hci_uart_receive_buf(struct serdev_device *serdev, const u8 *data, return count; } -struct serdev_device_ops hci_serdev_client_ops = { +static struct serdev_device_ops hci_serdev_client_ops = { .receive_buf = hci_uart_receive_buf, .write_wakeup = hci_uart_write_wakeup, }; diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 9a40013da915..7b3965861013 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -481,16 +481,16 @@ static int bnep_session(void *arg) struct net_device *dev = s->dev; struct sock *sk = s->sock->sk; struct sk_buff *skb; - wait_queue_t wait; + DEFINE_WAIT_FUNC(wait, woken_wake_function); BT_DBG(""); set_user_nice(current, -15); - init_waitqueue_entry(&wait, current); add_wait_queue(sk_sleep(sk), &wait); while (1) { - set_current_state(TASK_INTERRUPTIBLE); + /* Ensure session->terminate is updated */ + smp_mb__before_atomic(); if (atomic_read(&s->terminate)) break; @@ -512,9 +512,8 @@ static int bnep_session(void *arg) break; netif_wake_queue(dev); - schedule(); + wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); } - __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); /* Cleanup session */ @@ -663,7 +662,7 @@ int bnep_del_connection(struct bnep_conndel_req *req) s = __bnep_get_session(req->dst); if (s) { atomic_inc(&s->terminate); - wake_up_process(s->task); + wake_up_interruptible(sk_sleep(s->sock->sk)); } else err = -ENOENT; diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index f4c64ef01c24..7f26a5a19ff6 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -280,16 +280,16 @@ static int cmtp_session(void *arg) struct cmtp_session *session = arg; struct sock *sk = session->sock->sk; struct sk_buff *skb; - wait_queue_t wait; + DEFINE_WAIT_FUNC(wait, woken_wake_function); BT_DBG("session %p", session); set_user_nice(current, -15); - init_waitqueue_entry(&wait, current); add_wait_queue(sk_sleep(sk), &wait); while (1) { - set_current_state(TASK_INTERRUPTIBLE); + /* Ensure session->terminate is updated */ + smp_mb__before_atomic(); if (atomic_read(&session->terminate)) break; @@ -306,9 +306,8 @@ static int cmtp_session(void *arg) cmtp_process_transmit(session); - schedule(); + wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); } - __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); down_write(&cmtp_session_sem); @@ -393,7 +392,7 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock) err = cmtp_attach_device(session); if (err < 0) { atomic_inc(&session->terminate); - wake_up_process(session->task); + wake_up_interruptible(sk_sleep(session->sock->sk)); up_write(&cmtp_session_sem); return err; } @@ -431,7 +430,11 @@ int cmtp_del_connection(struct cmtp_conndel_req *req) /* Stop session thread */ atomic_inc(&session->terminate); - wake_up_process(session->task); + + /* Ensure session->terminate is updated */ + smp_mb__after_atomic(); + + wake_up_interruptible(sk_sleep(session->sock->sk)); } else err = -ENOENT; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index d860e3cc23cf..6bc679cd3481 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -3096,15 +3096,14 @@ int hci_register_dev(struct hci_dev *hdev) BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); - hdev->workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND | - WQ_MEM_RECLAIM, 1, hdev->name); + hdev->workqueue = alloc_ordered_workqueue("%s", WQ_HIGHPRI, hdev->name); if (!hdev->workqueue) { error = -ENOMEM; goto err; } - hdev->req_workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND | - WQ_MEM_RECLAIM, 1, hdev->name); + hdev->req_workqueue = alloc_ordered_workqueue("%s", WQ_HIGHPRI, + hdev->name); if (!hdev->req_workqueue) { destroy_workqueue(hdev->workqueue); error = -ENOMEM; diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index 961f7f53e178..472b3907b1b0 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -36,6 +36,7 @@ #define VERSION "1.2" static DECLARE_RWSEM(hidp_session_sem); +static DECLARE_WAIT_QUEUE_HEAD(hidp_session_wq); static LIST_HEAD(hidp_session_list); static unsigned char hidp_keycode[256] = { @@ -1068,12 +1069,12 @@ static int hidp_session_start_sync(struct hidp_session *session) * Wake up session thread and notify it to stop. This is asynchronous and * returns immediately. Call this whenever a runtime error occurs and you want * the session to stop. - * Note: wake_up_process() performs any necessary memory-barriers for us. + * Note: wake_up_interruptible() performs any necessary memory-barriers for us. */ static void hidp_session_terminate(struct hidp_session *session) { atomic_inc(&session->terminate); - wake_up_process(session->task); + wake_up_interruptible(&hidp_session_wq); } /* @@ -1180,7 +1181,9 @@ static void hidp_session_run(struct hidp_session *session) struct sock *ctrl_sk = session->ctrl_sock->sk; struct sock *intr_sk = session->intr_sock->sk; struct sk_buff *skb; + DEFINE_WAIT_FUNC(wait, woken_wake_function); + add_wait_queue(&hidp_session_wq, &wait); for (;;) { /* * This thread can be woken up two ways: @@ -1188,12 +1191,10 @@ static void hidp_session_run(struct hidp_session *session) * session->terminate flag and wakes this thread up. * - Via modifying the socket state of ctrl/intr_sock. This * thread is woken up by ->sk_state_changed(). - * - * Note: set_current_state() performs any necessary - * memory-barriers for us. */ - set_current_state(TASK_INTERRUPTIBLE); + /* Ensure session->terminate is updated */ + smp_mb__before_atomic(); if (atomic_read(&session->terminate)) break; @@ -1227,11 +1228,22 @@ static void hidp_session_run(struct hidp_session *session) hidp_process_transmit(session, &session->ctrl_transmit, session->ctrl_sock); - schedule(); + wait_woken(&wait, TASK_INTERRUPTIBLE, MAX_SCHEDULE_TIMEOUT); } + remove_wait_queue(&hidp_session_wq, &wait); atomic_inc(&session->terminate); - set_current_state(TASK_RUNNING); + + /* Ensure session->terminate is updated */ + smp_mb__after_atomic(); +} + +static int hidp_session_wake_function(wait_queue_t *wait, + unsigned int mode, + int sync, void *key) +{ + wake_up_interruptible(&hidp_session_wq); + return false; } /* @@ -1244,7 +1256,8 @@ static void hidp_session_run(struct hidp_session *session) static int hidp_session_thread(void *arg) { struct hidp_session *session = arg; - wait_queue_t ctrl_wait, intr_wait; + DEFINE_WAIT_FUNC(ctrl_wait, hidp_session_wake_function); + DEFINE_WAIT_FUNC(intr_wait, hidp_session_wake_function); BT_DBG("session %p", session); @@ -1254,8 +1267,6 @@ static int hidp_session_thread(void *arg) set_user_nice(current, -15); hidp_set_timer(session); - init_waitqueue_entry(&ctrl_wait, current); - init_waitqueue_entry(&intr_wait, current); add_wait_queue(sk_sleep(session->ctrl_sock->sk), &ctrl_wait); add_wait_queue(sk_sleep(session->intr_sock->sk), &intr_wait); /* This memory barrier is paired with wq_has_sleeper(). See diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 507b80d59dec..67a8642f57ea 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -87,7 +87,8 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) BT_DBG("sk %p", sk); - if (!addr || addr->sa_family != AF_BLUETOOTH) + if (!addr || alen < offsetofend(struct sockaddr, sa_family) || + addr->sa_family != AF_BLUETOOTH) return -EINVAL; memset(&la, 0, sizeof(la)); @@ -181,7 +182,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, BT_DBG("sk %p", sk); - if (!addr || alen < sizeof(addr->sa_family) || + if (!addr || alen < offsetofend(struct sockaddr, sa_family) || addr->sa_family != AF_BLUETOOTH) return -EINVAL; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 2172ae509cf1..1aaccf637479 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -339,7 +339,8 @@ static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr struct sock *sk = sock->sk; int len, err = 0; - if (!addr || addr->sa_family != AF_BLUETOOTH) + if (!addr || addr_len < offsetofend(struct sockaddr, sa_family) || + addr->sa_family != AF_BLUETOOTH) return -EINVAL; memset(&sa, 0, sizeof(sa)); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 728e0c8dc8e7..795e920a3281 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -524,10 +524,8 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr); - if (!addr || addr->sa_family != AF_BLUETOOTH) - return -EINVAL; - - if (addr_len < sizeof(struct sockaddr_sco)) + if (!addr || addr_len < sizeof(struct sockaddr_sco) || + addr->sa_family != AF_BLUETOOTH) return -EINVAL; lock_sock(sk); |