staging: rtl8712: Convert timers to use timer_setup()

In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Larry Finger <[e-mail]>
Cc: Florian Schilhabel <[e-mail]>
Cc: Greg Kroah-Hartman <[e-mail]>
Cc: Tejaswini Poluri <[e-mail]>
Cc: Scott Matheina <[e-mail]>
Cc: Varsha Rao <[e-mail]>
Cc: Julia Lawall <[e-mail]>
Cc: Aleksey Kurbatov <[e-mail]>
Cc: Vijai Kumar K <[e-mail]>
Cc: Wei Yongjun <[e-mail]>
Cc: "Raphaël Beamonte" <[e-mail]>
Cc: Jannik Becher <[e-mail]>
Cc: Joseph Wright <[e-mail]>
Cc: [e-mail]
Signed-off-by: Kees Cook <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/rtl8712/mlme_linux.c

···
 #include "drv_types.h"
 #include "mlme_osdep.h"
 
-static void sitesurvey_ctrl_handler(unsigned long data)
+static void sitesurvey_ctrl_handler(struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t,
+			mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer);
 
 	_r8712_sitesurvey_ctrl_handler(adapter);
 	mod_timer(&adapter->mlmepriv.sitesurveyctrl.sitesurvey_ctrl_timer,
 		  jiffies + msecs_to_jiffies(3000));
 }
 
-static void join_timeout_handler (unsigned long data)
+static void join_timeout_handler (struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t, mlmepriv.assoc_timer);
 
 	_r8712_join_timeout_handler(adapter);
 }
 
-static void _scan_timeout_handler (unsigned long data)
+static void _scan_timeout_handler (struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t, mlmepriv.scan_to_timer);
 
 	r8712_scan_timeout_handler(adapter);
 }
 
-static void dhcp_timeout_handler (unsigned long data)
+static void dhcp_timeout_handler (struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t, mlmepriv.dhcp_timer);
 
 	_r8712_dhcp_timeout_handler(adapter);
 }
 
-static void wdg_timeout_handler (unsigned long data)
+static void wdg_timeout_handler (struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t, mlmepriv.wdg_timer);
 
 	_r8712_wdg_timeout_handler(adapter);
 
···
 {
 	struct	mlme_priv *pmlmepriv = &padapter->mlmepriv;
 
-	setup_timer(&pmlmepriv->assoc_timer, join_timeout_handler,
-		    (unsigned long)padapter);
-	setup_timer(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer,
-		    sitesurvey_ctrl_handler,
-		    (unsigned long)padapter);
-	setup_timer(&pmlmepriv->scan_to_timer, _scan_timeout_handler,
-		    (unsigned long)padapter);
-	setup_timer(&pmlmepriv->dhcp_timer, dhcp_timeout_handler,
-		    (unsigned long)padapter);
-	setup_timer(&pmlmepriv->wdg_timer, wdg_timeout_handler,
-		    (unsigned long)padapter);
+	timer_setup(&pmlmepriv->assoc_timer, join_timeout_handler, 0);
+	timer_setup(&pmlmepriv->sitesurveyctrl.sitesurvey_ctrl_timer,
+		    sitesurvey_ctrl_handler, 0);
+	timer_setup(&pmlmepriv->scan_to_timer, _scan_timeout_handler, 0);
+	timer_setup(&pmlmepriv->dhcp_timer, dhcp_timeout_handler, 0);
+	timer_setup(&pmlmepriv->wdg_timer, wdg_timeout_handler, 0);
 }
 
 void r8712_os_indicate_connect(struct _adapter *adapter)
···
 			adapter->securitypriv.btkip_countermeasure;
 		memset((unsigned char *)&adapter->securitypriv, 0,
 		       sizeof(struct security_priv));
-		setup_timer(&adapter->securitypriv.tkip_timer,
-			    r8712_use_tkipkey_handler,
-			    (unsigned long)adapter);
+		timer_setup(&adapter->securitypriv.tkip_timer,
+			    r8712_use_tkipkey_handler, 0);
 		/* Restore the PMK information to securitypriv structure
 		 * for the following connection.
 		 */

drivers/staging/rtl8712/os_intfs.c

···
 	_r8712_init_recv_priv(&padapter->recvpriv, padapter);
 	memset((unsigned char *)&padapter->securitypriv, 0,
 	       sizeof(struct security_priv));
-	setup_timer(&padapter->securitypriv.tkip_timer,
-		    r8712_use_tkipkey_handler, (unsigned long)padapter);
+	timer_setup(&padapter->securitypriv.tkip_timer,
+		    r8712_use_tkipkey_handler, 0);
 	_r8712_init_sta_priv(&padapter->stapriv);
 	padapter->stapriv.padapter = padapter;
 	r8712_init_bcmc_stainfo(padapter);

drivers/staging/rtl8712/rtl871x_pwrctrl.c

···
 	}
 }
 
-static void rpwm_check_handler (unsigned long data)
+static void rpwm_check_handler (struct timer_list *t)
 {
-	struct _adapter *adapter = (struct _adapter *)data;
+	struct _adapter *adapter =
+		from_timer(adapter, t, pwrctrlpriv.rpwm_check_timer);
 
 	_rpwm_check_handler(adapter);
 }
···
 	r8712_write8(padapter, 0x1025FE58, 0);
 	INIT_WORK(&pwrctrlpriv->SetPSModeWorkItem, SetPSModeWorkItemCallback);
 	INIT_WORK(&pwrctrlpriv->rpwm_workitem, rpwm_workitem_callback);
-	setup_timer(&pwrctrlpriv->rpwm_check_timer, rpwm_check_handler,
-		    (unsigned long)padapter);
+	timer_setup(&pwrctrlpriv->rpwm_check_timer, rpwm_check_handler, 0);
 }
 
 /*

drivers/staging/rtl8712/rtl871x_security.c

···
 	return _SUCCESS;
 }
 
-void r8712_use_tkipkey_handler(unsigned long data)
+void r8712_use_tkipkey_handler(struct timer_list *t)
 {
-	struct _adapter *padapter = (struct _adapter *)data;
+	struct _adapter *padapter =
+                from_timer(padapter, t, securitypriv.tkip_timer);
 
 	padapter->securitypriv.busetkipkey = true;
 }

drivers/staging/rtl8712/rtl871x_security.h

···
 u32 r8712_aes_decrypt(struct _adapter *padapter, u8  *precvframe);
 u32 r8712_tkip_decrypt(struct _adapter *padapter, u8  *precvframe);
 void r8712_wep_decrypt(struct _adapter *padapter, u8  *precvframe);
-void r8712_use_tkipkey_handler(unsigned long data);
+void r8712_use_tkipkey_handler(struct timer_list *t);
 
 #endif	/*__RTL871X_SECURITY_H_ */