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authorJohn W. Linville <linville@tuxdriver.com>2011-08-26 10:33:51 -0400
committerJohn W. Linville <linville@tuxdriver.com>2011-08-26 10:33:51 -0400
commite2e6be56df37c371f564e127c154036b0c2211a1 (patch)
tree6687fc0340c20a76972bcaf5c665364c1074aee8 /net
parentbc909d9ddbf7778371e36a651d6e4194b1cc7d4c (diff)
parent8b2a3827bb12430d932cd479b22d906baf08c212 (diff)
downloadlinux-linaro-stable-e2e6be56df37c371f564e127c154036b0c2211a1.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/af_bluetooth.c6
-rw-r--r--net/bluetooth/bnep/bnep.h1
-rw-r--r--net/bluetooth/bnep/core.c13
-rw-r--r--net/bluetooth/cmtp/capi.c3
-rw-r--r--net/bluetooth/cmtp/cmtp.h1
-rw-r--r--net/bluetooth/cmtp/core.c20
-rw-r--r--net/bluetooth/hci_core.c8
-rw-r--r--net/bluetooth/hidp/core.c19
-rw-r--r--net/bluetooth/l2cap_core.c6
-rw-r--r--net/bluetooth/l2cap_sock.c30
-rw-r--r--net/bluetooth/rfcomm/core.c17
-rw-r--r--net/bluetooth/rfcomm/sock.c28
-rw-r--r--net/bluetooth/sco.c28
-rw-r--r--net/mac80211/main.c2
-rw-r--r--net/wireless/core.c7
-rw-r--r--net/wireless/sysfs.c6
16 files changed, 106 insertions, 89 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index 8add9b499912..117e0d161780 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -494,9 +494,8 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
BT_DBG("sk %p", sk);
add_wait_queue(sk_sleep(sk), &wait);
+ set_current_state(TASK_INTERRUPTIBLE);
while (sk->sk_state != state) {
- set_current_state(TASK_INTERRUPTIBLE);
-
if (!timeo) {
err = -EINPROGRESS;
break;
@@ -510,12 +509,13 @@ int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
+ set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
break;
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return err;
}
diff --git a/net/bluetooth/bnep/bnep.h b/net/bluetooth/bnep/bnep.h
index 8e6c06158f8e..e7ee5314f39a 100644
--- a/net/bluetooth/bnep/bnep.h
+++ b/net/bluetooth/bnep/bnep.h
@@ -155,6 +155,7 @@ struct bnep_session {
unsigned int role;
unsigned long state;
unsigned long flags;
+ atomic_t terminate;
struct task_struct *task;
struct ethhdr eh;
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ca39fcf010ce..d9edfe8bf9d6 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -484,9 +484,11 @@ static int bnep_session(void *arg)
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
+ if (atomic_read(&s->terminate))
+ break;
/* RX */
while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
skb_orphan(skb);
@@ -504,7 +506,7 @@ static int bnep_session(void *arg)
schedule();
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
/* Cleanup session */
@@ -640,9 +642,10 @@ int bnep_del_connection(struct bnep_conndel_req *req)
down_read(&bnep_session_sem);
s = __bnep_get_session(req->dst);
- if (s)
- kthread_stop(s->task);
- else
+ if (s) {
+ atomic_inc(&s->terminate);
+ wake_up_process(s->task);
+ } else
err = -ENOENT;
up_read(&bnep_session_sem);
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 040f67b12978..50f0d135eb8f 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -386,7 +386,8 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
capi_ctr_down(ctrl);
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
}
static void cmtp_register_appl(struct capi_ctr *ctrl, __u16 appl, capi_register_params *rp)
diff --git a/net/bluetooth/cmtp/cmtp.h b/net/bluetooth/cmtp/cmtp.h
index db43b54ac9af..c32638dddbf9 100644
--- a/net/bluetooth/cmtp/cmtp.h
+++ b/net/bluetooth/cmtp/cmtp.h
@@ -81,6 +81,7 @@ struct cmtp_session {
char name[BTNAMSIZ];
+ atomic_t terminate;
struct task_struct *task;
wait_queue_head_t wait;
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index c5b11af908be..521baa4fe835 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -292,9 +292,11 @@ static int cmtp_session(void *arg)
init_waitqueue_entry(&wait, current);
add_wait_queue(sk_sleep(sk), &wait);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
+ if (atomic_read(&session->terminate))
+ break;
if (sk->sk_state != BT_CONNECTED)
break;
@@ -307,7 +309,7 @@ static int cmtp_session(void *arg)
schedule();
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
down_write(&cmtp_session_sem);
@@ -380,16 +382,17 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
if (!(session->flags & (1 << CMTP_LOOPBACK))) {
err = cmtp_attach_device(session);
- if (err < 0)
- goto detach;
+ if (err < 0) {
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
+ up_write(&cmtp_session_sem);
+ return err;
+ }
}
up_write(&cmtp_session_sem);
return 0;
-detach:
- cmtp_detach_device(session);
-
unlink:
__cmtp_unlink_session(session);
@@ -414,7 +417,8 @@ int cmtp_del_connection(struct cmtp_conndel_req *req)
skb_queue_purge(&session->transmit);
/* Stop session thread */
- kthread_stop(session->task);
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
} else
err = -ENOENT;
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index ec0bc3f60f2e..56943add45cc 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1209,7 +1209,6 @@ static void hci_cmd_timer(unsigned long arg)
BT_ERR("%s command tx timeout", hdev->name);
atomic_set(&hdev->cmd_cnt, 1);
- clear_bit(HCI_RESET, &hdev->flags);
tasklet_schedule(&hdev->cmd_task);
}
@@ -1327,7 +1326,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
if (!entry) {
- return -ENOMEM;
+ err = -ENOMEM;
goto err;
}
@@ -2408,7 +2407,10 @@ static void hci_cmd_task(unsigned long arg)
if (hdev->sent_cmd) {
atomic_dec(&hdev->cmd_cnt);
hci_send_frame(skb);
- mod_timer(&hdev->cmd_timer,
+ if (test_bit(HCI_RESET, &hdev->flags))
+ del_timer(&hdev->cmd_timer);
+ else
+ mod_timer(&hdev->cmd_timer,
jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT));
} else {
skb_queue_head(&hdev->cmd_q, skb);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index 43b4c2deb7cc..fb68f344c34a 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -764,6 +764,7 @@ static int hidp_session(void *arg)
up_write(&hidp_session_sem);
+ kfree(session->rd_data);
kfree(session);
return 0;
}
@@ -841,7 +842,8 @@ static int hidp_setup_input(struct hidp_session *session,
err = input_register_device(input);
if (err < 0) {
- hci_conn_put_device(session->conn);
+ input_free_device(input);
+ session->input = NULL;
return err;
}
@@ -1044,8 +1046,12 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
}
err = hid_add_device(session->hid);
- if (err < 0)
- goto err_add_device;
+ if (err < 0) {
+ atomic_inc(&session->terminate);
+ wake_up_process(session->task);
+ up_write(&hidp_session_sem);
+ return err;
+ }
if (session->input) {
hidp_send_ctrl_message(session,
@@ -1059,12 +1065,6 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
up_write(&hidp_session_sem);
return 0;
-err_add_device:
- hid_destroy_device(session->hid);
- session->hid = NULL;
- atomic_inc(&session->terminate);
- wake_up_process(session->task);
-
unlink:
hidp_del_timer(session);
@@ -1090,7 +1090,6 @@ purge:
failed:
up_write(&hidp_session_sem);
- input_free_device(session->input);
kfree(session);
return err;
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 3204ba8a701c..b3bdb482bbe6 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -1159,9 +1159,8 @@ int __l2cap_wait_ack(struct sock *sk)
int timeo = HZ/5;
add_wait_queue(sk_sleep(sk), &wait);
- while ((chan->unacked_frames > 0 && chan->conn)) {
- set_current_state(TASK_INTERRUPTIBLE);
-
+ set_current_state(TASK_INTERRUPTIBLE);
+ while (chan->unacked_frames > 0 && chan->conn) {
if (!timeo)
timeo = HZ/5;
@@ -1173,6 +1172,7 @@ int __l2cap_wait_ack(struct sock *sk)
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
+ set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 5c36b3e8739c..61f1f623091d 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -235,30 +235,26 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
+ nsk = bt_accept_dequeue(sk, newsock);
+ if (nsk)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -266,8 +262,12 @@ static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int fl
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock_nested(sk, SINGLE_DEPTH_NESTING);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
@@ -993,7 +993,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
INIT_LIST_HEAD(&bt_sk(sk)->accept_q);
sk->sk_destruct = l2cap_sock_destruct;
- sk->sk_sndtimeo = msecs_to_jiffies(L2CAP_CONN_TIMEOUT);
+ sk->sk_sndtimeo = L2CAP_CONN_TIMEOUT;
sock_reset_flag(sk, SOCK_ZAPPED);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 5759bb7054f7..5ba3f6df665c 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -62,7 +62,6 @@ static DEFINE_MUTEX(rfcomm_mutex);
#define rfcomm_lock() mutex_lock(&rfcomm_mutex)
#define rfcomm_unlock() mutex_unlock(&rfcomm_mutex)
-static unsigned long rfcomm_event;
static LIST_HEAD(session_list);
@@ -120,7 +119,6 @@ static inline void rfcomm_schedule(void)
{
if (!rfcomm_thread)
return;
- set_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
wake_up_process(rfcomm_thread);
}
@@ -2038,19 +2036,18 @@ static int rfcomm_run(void *unused)
rfcomm_add_listener(BDADDR_ANY);
- while (!kthread_should_stop()) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!test_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event)) {
- /* No pending events. Let's sleep.
- * Incoming connections and data will wake us up. */
- schedule();
- }
- set_current_state(TASK_RUNNING);
+
+ if (kthread_should_stop())
+ break;
/* Process stuff */
- clear_bit(RFCOMM_SCHED_WAKEUP, &rfcomm_event);
rfcomm_process_sessions();
+
+ schedule();
}
+ __set_current_state(TASK_RUNNING);
rfcomm_kill_listener();
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 8f01e6b11a70..482722bbc7a0 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -485,11 +485,6 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
lock_sock(sk);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
if (sk->sk_type != SOCK_STREAM) {
err = -EINVAL;
goto done;
@@ -501,19 +496,20 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(nsk = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ nsk = bt_accept_dequeue(sk, newsock);
+ if (nsk)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -521,8 +517,12 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock(sk);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 4c3621b5e0aa..8270f05e3f1f 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -564,30 +564,26 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
lock_sock(sk);
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
- goto done;
- }
-
timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
BT_DBG("sk %p timeo %ld", sk, timeo);
/* Wait for an incoming connection. (wake-one). */
add_wait_queue_exclusive(sk_sleep(sk), &wait);
- while (!(ch = bt_accept_dequeue(sk, newsock))) {
+ while (1) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!timeo) {
- err = -EAGAIN;
+
+ if (sk->sk_state != BT_LISTEN) {
+ err = -EBADFD;
break;
}
- release_sock(sk);
- timeo = schedule_timeout(timeo);
- lock_sock(sk);
+ ch = bt_accept_dequeue(sk, newsock);
+ if (ch)
+ break;
- if (sk->sk_state != BT_LISTEN) {
- err = -EBADFD;
+ if (!timeo) {
+ err = -EAGAIN;
break;
}
@@ -595,8 +591,12 @@ static int sco_sock_accept(struct socket *sock, struct socket *newsock, int flag
err = sock_intr_errno(timeo);
break;
}
+
+ release_sock(sk);
+ timeo = schedule_timeout(timeo);
+ lock_sock(sk);
}
- set_current_state(TASK_RUNNING);
+ __set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
if (err)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 866f269183cf..acb44230b251 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -1012,7 +1012,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
cancel_work_sync(&local->reconfig_filter);
ieee80211_clear_tx_pending(local);
- sta_info_stop(local);
rate_control_deinitialize(local);
if (skb_queue_len(&local->skb_queue) ||
@@ -1024,6 +1023,7 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw)
destroy_workqueue(local->workqueue);
wiphy_unregister(local->hw.wiphy);
+ sta_info_stop(local);
ieee80211_wep_free(local);
ieee80211_led_exit(local);
kfree(local->int_scan_req);
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 645437cfc464..c14865172da7 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -616,6 +616,9 @@ int wiphy_register(struct wiphy *wiphy)
if (res)
goto out_rm_dev;
+ rtnl_lock();
+ rdev->wiphy.registered = true;
+ rtnl_unlock();
return 0;
out_rm_dev:
@@ -647,6 +650,10 @@ void wiphy_unregister(struct wiphy *wiphy)
{
struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+ rtnl_lock();
+ rdev->wiphy.registered = false;
+ rtnl_unlock();
+
rfkill_unregister(rdev->rfkill);
/* protect the device list */
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index c6e4ca6a7d2e..ff574597a854 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -93,7 +93,8 @@ static int wiphy_suspend(struct device *dev, pm_message_t state)
if (rdev->ops->suspend) {
rtnl_lock();
- ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
+ if (rdev->wiphy.registered)
+ ret = rdev->ops->suspend(&rdev->wiphy, rdev->wowlan);
rtnl_unlock();
}
@@ -112,7 +113,8 @@ static int wiphy_resume(struct device *dev)
if (rdev->ops->resume) {
rtnl_lock();
- ret = rdev->ops->resume(&rdev->wiphy);
+ if (rdev->wiphy.registered)
+ ret = rdev->ops->resume(&rdev->wiphy);
rtnl_unlock();
}