diff options
author | Binoy Jayan <binoy.jayan@linaro.org> | 2016-06-01 09:26:52 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 16:22:31 (GMT) |
commit | 9afa937047b5c3dca3ed0bb6361eac06073c3efa (patch) | |
tree | 0a0b10745b4e594f5a89c9b7ace9c241c3a5fe01 /drivers/staging/rtl8192e/rtllib_softmac.c | |
parent | fd181f7d5a53eb73ba7276d95ecdaff9605d63c2 (diff) | |
download | linux-9afa937047b5c3dca3ed0bb6361eac06073c3efa.tar.xz |
rtl8192e: rtllib_device: Replace semaphore wx_sem with mutex
The semaphore 'wx_sem' in the rtllib_device is a simple mutex,
so it should be written as one. Semaphores are going away in the future.
Signed-off-by: Binoy Jayan <binoy.jayan@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192e/rtllib_softmac.c')
-rw-r--r-- | drivers/staging/rtl8192e/rtllib_softmac.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index 62154e3..901cc50 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -753,7 +753,7 @@ static void rtllib_start_scan(struct rtllib_device *ieee) } } -/* called with wx_sem held */ +/* called with wx_mutex held */ void rtllib_start_scan_syncro(struct rtllib_device *ieee, u8 is_mesh) { if (IS_DOT11D_ENABLE(ieee)) { @@ -1590,7 +1590,7 @@ static void rtllib_associate_procedure_wq(void *data) rtllib_stop_scan_syncro(ieee); if (ieee->rtllib_ips_leave != NULL) ieee->rtllib_ips_leave(ieee->dev); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->data_hard_stop) ieee->data_hard_stop(ieee->dev); @@ -1605,14 +1605,14 @@ static void rtllib_associate_procedure_wq(void *data) __func__); if (ieee->rtllib_ips_leave_wq != NULL) ieee->rtllib_ips_leave_wq(ieee->dev); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return; } ieee->associate_seq = 1; rtllib_associate_step1(ieee, ieee->current_network.bssid); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } inline void rtllib_softmac_new_net(struct rtllib_device *ieee, @@ -2582,16 +2582,16 @@ static void rtllib_start_ibss_wq(void *data) struct rtllib_device, start_ibss_wq); /* iwconfig mode ad-hoc will schedule this and return * on the other hand this will block further iwconfig SET - * operations because of the wx_sem hold. + * operations because of the wx_mutex hold. * Anyway some most set operations set a flag to speed-up * (abort) this wq (when syncro scanning) before sleeping - * on the semaphore + * on the mutex */ if (!ieee->proto_started) { netdev_info(ieee->dev, "==========oh driver down return\n"); return; } - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (ieee->current_network.ssid_len == 0) { strcpy(ieee->current_network.ssid, RTLLIB_DEFAULT_TX_ESSID); @@ -2703,7 +2703,7 @@ static void rtllib_start_ibss_wq(void *data) netif_carrier_on(ieee->dev); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } inline void rtllib_start_ibss(struct rtllib_device *ieee) @@ -2711,7 +2711,7 @@ inline void rtllib_start_ibss(struct rtllib_device *ieee) schedule_delayed_work(&ieee->start_ibss_wq, msecs_to_jiffies(150)); } -/* this is called only in user context, with wx_sem held */ +/* this is called only in user context, with wx_mutex held */ static void rtllib_start_bss(struct rtllib_device *ieee) { unsigned long flags; @@ -2773,7 +2773,7 @@ static void rtllib_associate_retry_wq(void *data) struct rtllib_device, associate_retry_wq); unsigned long flags; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (!ieee->proto_started) goto exit; @@ -2806,7 +2806,7 @@ static void rtllib_associate_retry_wq(void *data) ieee->beinretry = false; exit: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } static struct sk_buff *rtllib_get_beacon_(struct rtllib_device *ieee) @@ -2853,9 +2853,9 @@ void rtllib_softmac_stop_protocol(struct rtllib_device *ieee, u8 mesh_flag, u8 shutdown) { rtllib_stop_scan_syncro(ieee); - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); rtllib_stop_protocol(ieee, shutdown); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } EXPORT_SYMBOL(rtllib_softmac_stop_protocol); @@ -2902,9 +2902,9 @@ void rtllib_stop_protocol(struct rtllib_device *ieee, u8 shutdown) void rtllib_softmac_start_protocol(struct rtllib_device *ieee, u8 mesh_flag) { - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); rtllib_start_protocol(ieee); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); } EXPORT_SYMBOL(rtllib_softmac_start_protocol); @@ -3034,7 +3034,7 @@ void rtllib_softmac_init(struct rtllib_device *ieee) INIT_WORK_RSL(&ieee->wx_sync_scan_wq, (void *)rtllib_wx_sync_scan_wq, ieee); - sema_init(&ieee->wx_sem, 1); + mutex_init(&ieee->wx_mutex); sema_init(&ieee->scan_sem, 1); sema_init(&ieee->ips_sem, 1); @@ -3049,7 +3049,7 @@ void rtllib_softmac_init(struct rtllib_device *ieee) void rtllib_softmac_free(struct rtllib_device *ieee) { - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); kfree(ieee->pDot11dInfo); ieee->pDot11dInfo = NULL; del_timer_sync(&ieee->associate_timer); @@ -3064,7 +3064,7 @@ void rtllib_softmac_free(struct rtllib_device *ieee) cancel_work_sync(&ieee->associate_complete_wq); cancel_work_sync(&ieee->ips_leave_wq); cancel_work_sync(&ieee->wx_sync_scan_wq); - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); tasklet_kill(&ieee->ps_task); } @@ -3499,7 +3499,7 @@ int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p, struct ieee_param *param; int ret = 0; - down(&ieee->wx_sem); + mutex_lock(&ieee->wx_mutex); if (p->length < sizeof(struct ieee_param) || !p->pointer) { ret = -EINVAL; @@ -3543,7 +3543,7 @@ int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p, kfree(param); out: - up(&ieee->wx_sem); + mutex_unlock(&ieee->wx_mutex); return ret; } |