lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Message-ID: <20171016232436.GA100805@beast>
Date:   Mon, 16 Oct 2017 16:24:36 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Larry Finger <Larry.Finger@...inger.net>,
        Florian Schilhabel <florian.c.schilhabel@...glemail.com>,
        Tejaswini Poluri <tejaswinipoluri3@...il.com>,
        Scott Matheina <scott@...heina.com>,
        Varsha Rao <rvarsha016@...il.com>,
        Julia Lawall <julia.lawall@...6.fr>,
        Aleksey Kurbatov <alkbt@...dex.ru>,
        Vijai Kumar K <vijaikumar.kanagarajan@...il.com>,
        Wei Yongjun <weiyongjun1@...wei.com>,
        Raphaël Beamonte <raphael.beamonte@...il.com>,
        Jannik Becher <becher.jannik@...il.com>,
        Joseph Wright <rjosephwright@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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 <Larry.Finger@...inger.net>
Cc: Florian Schilhabel <florian.c.schilhabel@...glemail.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: Tejaswini Poluri <tejaswinipoluri3@...il.com>
Cc: Scott Matheina <scott@...heina.com>
Cc: Varsha Rao <rvarsha016@...il.com>
Cc: Julia Lawall <julia.lawall@...6.fr>
Cc: Aleksey Kurbatov <alkbt@...dex.ru>
Cc: Vijai Kumar K <vijaikumar.kanagarajan@...il.com>
Cc: Wei Yongjun <weiyongjun1@...wei.com>
Cc: "Raphaël Beamonte" <raphael.beamonte@...il.com>
Cc: Jannik Becher <becher.jannik@...il.com>
Cc: Joseph Wright <rjosephwright@...il.com>
Cc: devel@...verdev.osuosl.org
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/staging/rtl8712/mlme_linux.c       | 48 +++++++++++++++---------------
 drivers/staging/rtl8712/os_intfs.c         |  4 +--
 drivers/staging/rtl8712/rtl871x_pwrctrl.c  |  8 ++---
 drivers/staging/rtl8712/rtl871x_security.c |  5 ++--
 drivers/staging/rtl8712/rtl871x_security.h |  2 +-
 5 files changed, 34 insertions(+), 33 deletions(-)

diff --git a/drivers/staging/rtl8712/mlme_linux.c b/drivers/staging/rtl8712/mlme_linux.c
index a077069d6227..3c7c4a4faeb2 100644
--- a/drivers/staging/rtl8712/mlme_linux.c
+++ b/drivers/staging/rtl8712/mlme_linux.c
@@ -32,39 +32,45 @@
 #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);
 
@@ -76,17 +82,12 @@ void r8712_init_mlme_timer(struct _adapter *padapter)
 {
 	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)
@@ -118,9 +119,8 @@ void r8712_os_indicate_disconnect(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.
 		 */
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 990a3438dfbb..95caf8df9a13 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -313,8 +313,8 @@ u8 r8712_init_drv_sw(struct _adapter *padapter)
 	_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);
diff --git a/drivers/staging/rtl8712/rtl871x_pwrctrl.c b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
index e42fc1404c35..ae4c9567bb55 100644
--- a/drivers/staging/rtl8712/rtl871x_pwrctrl.c
+++ b/drivers/staging/rtl8712/rtl871x_pwrctrl.c
@@ -164,9 +164,10 @@ static void rpwm_workitem_callback(struct work_struct *work)
 	}
 }
 
-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);
 }
@@ -185,8 +186,7 @@ void r8712_init_pwrctrl_priv(struct _adapter *padapter)
 	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);
 }
 
 /*
diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c
index bd83fb492c45..56d36f6f9c46 100644
--- a/drivers/staging/rtl8712/rtl871x_security.c
+++ b/drivers/staging/rtl8712/rtl871x_security.c
@@ -1402,9 +1402,10 @@ u32 r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe)
 	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;
 }
diff --git a/drivers/staging/rtl8712/rtl871x_security.h b/drivers/staging/rtl8712/rtl871x_security.h
index fa952e17975b..46b88a41d236 100644
--- a/drivers/staging/rtl8712/rtl871x_security.h
+++ b/drivers/staging/rtl8712/rtl871x_security.h
@@ -224,7 +224,7 @@ void r8712_wep_encrypt(struct _adapter *padapter, u8  *pxmitframe);
 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_ */
 
-- 
2.7.4


-- 
Kees Cook
Pixel Security

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ