From 1348762001a476f4c2ff975563dafd8c9002f9ac Mon Sep 17 00:00:00 2001
From: kimocoder <christian@aircrack-ng.org>
Date: Fri, 16 Aug 2019 22:11:06 +0200
Subject: [PATCH] Remove signal handling from driver (software)

---
 include/osdep_service.h    | 25 -------------------------
 os_dep/linux/ioctl_linux.c |  2 --
 os_dep/linux/mlme_linux.c  |  4 ----
 os_dep/linux/os_intfs.c    | 17 +----------------
 os_dep/linux/usb_intf.c    |  7 -------
 5 files changed, 1 insertion(+), 54 deletions(-)

diff --git a/include/osdep_service.h b/include/osdep_service.h
index dc6ace8..3952abf 100644
--- a/include/osdep_service.h
+++ b/include/osdep_service.h
@@ -407,9 +407,6 @@ __inline static unsigned char _cancel_timer_ex(_timer *ptimer)
 
 static __inline void thread_enter(char *name)
 {
-#ifdef PLATFORM_LINUX
-	allow_signal(SIGTERM);
-#endif
 #ifdef PLATFORM_FREEBSD
 	printf("%s", "RTKTHREAD_enter");
 #endif
@@ -445,8 +442,6 @@ static inline void rtw_thread_wait_stop(void)
 __inline static void flush_signals_thread(void)
 {
 #ifdef PLATFORM_LINUX
-	if (signal_pending(current))
-		flush_signals(current);
 #endif
 }
 
@@ -457,15 +452,6 @@ __inline static _OS_STATUS res_to_status(sint res)
 	return res;
 #endif
 
-#ifdef PLATFORM_WINDOWS
-
-	if (res == _SUCCESS)
-		return NDIS_STATUS_SUCCESS;
-	else
-		return NDIS_STATUS_FAILURE;
-
-#endif
-
 }
 
 __inline static void rtw_dump_stack(void)
@@ -484,17 +470,6 @@ __inline static void rtw_dump_stack(void)
 __inline static int rtw_bug_check(void *parg1, void *parg2, void *parg3, void *parg4)
 {
 	int ret = _TRUE;
-
-#ifdef PLATFORM_WINDOWS
-	if (((uint)parg1) <= 0x7fffffff ||
-	    ((uint)parg2) <= 0x7fffffff ||
-	    ((uint)parg3) <= 0x7fffffff ||
-	    ((uint)parg4) <= 0x7fffffff) {
-		ret = _FALSE;
-		KeBugCheckEx(0x87110000, (ULONG_PTR)parg1, (ULONG_PTR)parg2, (ULONG_PTR)parg3, (ULONG_PTR)parg4);
-	}
-#endif
-
 	return ret;
 
 }
diff --git a/os_dep/linux/ioctl_linux.c b/os_dep/linux/ioctl_linux.c
index ddef1c5..6bc9fad 100644
--- a/os_dep/linux/ioctl_linux.c
+++ b/os_dep/linux/ioctl_linux.c
@@ -174,8 +174,6 @@ void rtw_request_wps_pbc_event(_adapter *padapter)
 		return;
 	}
 
-	rtw_signal_process(padapter->pid[0], SIGUSR1);
-
 #endif
 
 	rtw_led_control(padapter, LED_CTL_START_WPS_BOTTON);
diff --git a/os_dep/linux/mlme_linux.c b/os_dep/linux/mlme_linux.c
index 247e45e..35f6a6e 100644
--- a/os_dep/linux/mlme_linux.c
+++ b/os_dep/linux/mlme_linux.c
@@ -75,14 +75,10 @@ void rtw_os_indicate_connect(_adapter *adapter)
 #endif
 		rtw_netif_carrier_on(adapter->pnetdev);
 
-	if (adapter->pid[2] != 0)
-		rtw_signal_process(adapter->pid[2], SIGALRM);
-
 #ifdef RTK_DMP_PLATFORM
 	_set_workitem(&adapter->mlmepriv.Linkup_workitem);
 #endif
 
-
 }
 
 extern void indicate_wx_scan_complete_event(_adapter *padapter);
diff --git a/os_dep/linux/os_intfs.c b/os_dep/linux/os_intfs.c
index bff285e..e05977d 100644
--- a/os_dep/linux/os_intfs.c
+++ b/os_dep/linux/os_intfs.c
@@ -1245,7 +1245,7 @@ uint loadparam(_adapter *padapter)
  *
  * Return:
  * ret = 0: Permit to change net_device's MAC address.
- * ret = -1 (Default): Operation not permitted.
+* ret = -1 (Default): Operation not permitted.
  *
  * Auther: Arvin Liu
  * Date: 2015/05/29
@@ -4854,11 +4854,6 @@ int rtw_resume_process_wow(_adapter *padapter)
 
 		RTW_PRINT("%s: ### ERROR ### wowlan_mode=%d\n", __FUNCTION__, pwrpriv->wowlan_mode);
 
-	if (padapter->pid[1] != 0) {
-		RTW_INFO("pid[1]:%d\n", padapter->pid[1]);
-		rtw_signal_process(padapter->pid[1], SIGUSR2);
-	}
-
 	if (rtw_chk_roam_flags(padapter, RTW_ROAM_ON_RESUME)) {
 		if (pwrpriv->wowlan_wake_reason == FW_DECISION_DISCONNECT ||
 		    pwrpriv->wowlan_wake_reason == RX_DISASSOC||
@@ -5006,11 +5001,6 @@ int rtw_resume_process_ap_wow(_adapter *padapter)
 	/* start netif queue */
 	rtw_mi_netif_wake_queue(padapter);
 
-	if (padapter->pid[1] != 0) {
-		RTW_INFO("pid[1]:%d\n", padapter->pid[1]);
-		rtw_signal_process(padapter->pid[1], SIGUSR2);
-	}
-
 #ifdef CONFIG_RESUME_IN_WORKQUEUE
 	/* rtw_unlock_suspend(); */
 #endif /* CONFIG_RESUME_IN_WORKQUEUE */
@@ -5121,11 +5111,6 @@ int rtw_resume_process_normal(_adapter *padapter)
 
 	rtw_mi_netif_caron_qstart(padapter);
 
-	if (padapter->pid[1] != 0) {
-		RTW_INFO("pid[1]:%d\n", padapter->pid[1]);
-		rtw_signal_process(padapter->pid[1], SIGUSR2);
-	}
-
 #ifdef CONFIG_BT_COEXIST
 	rtw_btcoex_SuspendNotify(padapter, BTCOEX_SUSPEND_STATE_RESUME);
 #endif /* CONFIG_BT_COEXIST */
diff --git a/os_dep/linux/usb_intf.c b/os_dep/linux/usb_intf.c
index 42ba14f..43ee15e 100644
--- a/os_dep/linux/usb_intf.c
+++ b/os_dep/linux/usb_intf.c
@@ -1537,13 +1537,6 @@ static int rtw_drv_init(struct usb_interface *pusb_intf, const struct usb_device
 	rtw_sw_export = padapter;
 #endif
 
-#ifdef CONFIG_GLOBAL_UI_PID
-	if (ui_pid[1] != 0) {
-		RTW_INFO("ui_pid[1]:%d\n", ui_pid[1]);
-		rtw_signal_process(ui_pid[1], SIGUSR2);
-	}
-#endif
-
 	/* dev_alloc_name && register_netdev */
 	if (rtw_os_ndevs_init(dvobj) != _SUCCESS)
 		goto free_if_vir;