[PATCH] staging: rtl8188eu: Convert timers to use timer_setup()

From: Kees Cook
Date: Mon Oct 16 2017 - 19:26:30 EST

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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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Juliana Rodrigues <juliana.orod@xxxxxxxxx>
Cc: Ivan Safonov <insafonov@xxxxxxxxx>
Cc: Gargi Sharma <gs051095@xxxxxxxxx>
Cc: sayli karnik <karniksayli1995@xxxxxxxxx>
Cc: Yamanappagouda Patil <goudapatilk@xxxxxxxxx>
Cc: Luca Ceresoli <luca@xxxxxxxxxxxxxxxx>
Cc: Victor Carvajal <carva005@xxxxxxxxx>
Cc: Sebastian Haas <sehaas@xxxxxxxxxx>
Cc: devel@xxxxxxxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/staging/rtl8188eu/core/rtw_led.c | 7 +++----
drivers/staging/rtl8188eu/core/rtw_mlme.c | 15 +++++++++------
drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 14 ++++++++------
drivers/staging/rtl8188eu/core/rtw_pwrctrl.c | 11 ++++++-----
drivers/staging/rtl8188eu/core/rtw_recv.c | 17 +++++++++--------
drivers/staging/rtl8188eu/include/rtw_led.h | 1 -
drivers/staging/rtl8188eu/include/rtw_mlme.h | 6 +++---
drivers/staging/rtl8188eu/include/rtw_mlme_ext.h | 6 +++---
drivers/staging/rtl8188eu/include/rtw_recv.h | 2 +-
drivers/staging/rtl8188eu/os_dep/mlme_linux.c | 19 +++++++------------
drivers/staging/rtl8188eu/os_dep/recv_linux.c | 5 ++---
11 files changed, 51 insertions(+), 52 deletions(-)

diff --git a/drivers/staging/rtl8188eu/core/rtw_led.c b/drivers/staging/rtl8188eu/core/rtw_led.c
index 1b9bc9817a57..c4335893d8f6 100644
--- a/drivers/staging/rtl8188eu/core/rtw_led.c
+++ b/drivers/staging/rtl8188eu/core/rtw_led.c
@@ -22,9 +22,9 @@
/* Callback function of LED BlinkTimer, */
/* it just schedules to corresponding BlinkWorkItem/led_blink_hdl */
/* */
-void BlinkTimerCallback(unsigned long data)
+static void BlinkTimerCallback(struct timer_list *t)
{
- struct LED_871x *pLed = (struct LED_871x *)data;
+ struct LED_871x *pLed = from_timer(pLed, t, BlinkTimer);
struct adapter *padapter = pLed->padapter;

if ((padapter->bSurpriseRemoved) || (padapter->bDriverStopped))
@@ -73,8 +73,7 @@ void InitLed871x(struct adapter *padapter, struct LED_871x *pLed)

ResetLedStatus(pLed);

- setup_timer(&pLed->BlinkTimer, BlinkTimerCallback,
- (unsigned long)pLed);
+ timer_setup(&pLed->BlinkTimer, BlinkTimerCallback, 0);

INIT_WORK(&pLed->BlinkWorkItem, BlinkWorkItemCallback);
}
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme.c b/drivers/staging/rtl8188eu/core/rtw_mlme.c
index b15cf17f77c5..db2192963d3c 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme.c
@@ -1332,9 +1332,10 @@ void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
* _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
* @adapter: pointer to struct adapter structure
*/
-void _rtw_join_timeout_handler (unsigned long data)
+void _rtw_join_timeout_handler (struct timer_list *t)
{
- struct adapter *adapter = (struct adapter *)data;
+ struct adapter *adapter =
+ from_timer(adapter, t, mlmepriv.assoc_timer);
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
int do_join_r;

@@ -1373,9 +1374,10 @@ void _rtw_join_timeout_handler (unsigned long data)
* rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
* @adapter: pointer to struct adapter structure
*/
-void rtw_scan_timeout_handler (unsigned long data)
+void rtw_scan_timeout_handler (struct timer_list *t)
{
- struct adapter *adapter = (struct adapter *)data;
+ struct adapter *adapter =
+ from_timer(adapter, t, mlmepriv.scan_to_timer);
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;

DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
@@ -1400,9 +1402,10 @@ static void rtw_auto_scan_handler(struct adapter *padapter)
}
}

-void rtw_dynamic_check_timer_handlder(unsigned long data)
+void rtw_dynamic_check_timer_handlder(struct timer_list *t)
{
- struct adapter *adapter = (struct adapter *)data;
+ struct adapter *adapter =
+ from_timer(adapter, t, mlmepriv.dynamic_chk_timer);
struct registry_priv *pregistrypriv = &adapter->registrypriv;

if (!adapter)
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
index 685c0717c605..d717046a6c2f 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c
@@ -4803,9 +4803,10 @@ void linked_status_chk(struct adapter *padapter)
}
}

-void survey_timer_hdl(unsigned long data)
+void survey_timer_hdl(struct timer_list *t)
{
- struct adapter *padapter = (struct adapter *)data;
+ struct adapter *padapter = from_timer(padapter, t,
+ mlmeextpriv.link_timer);
struct cmd_obj *ph2c;
struct sitesurvey_parm *psurveyPara;
struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
@@ -4843,9 +4844,10 @@ void survey_timer_hdl(unsigned long data)
return;
}

-void link_timer_hdl(unsigned long data)
+void link_timer_hdl(struct timer_list *t)
{
- struct adapter *padapter = (struct adapter *)data;
+ struct adapter *padapter = from_timer(padapter, t,
+ mlmeextpriv.link_timer);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);

@@ -4879,9 +4881,9 @@ void link_timer_hdl(unsigned long data)
}
}

-void addba_timer_hdl(unsigned long data)
+void addba_timer_hdl(struct timer_list *t)
{
- struct sta_info *psta = (struct sta_info *)data;
+ struct sta_info *psta = from_timer(psta, t, addba_retry_timer);
struct ht_priv *phtpriv;

if (!psta)
diff --git a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
index 9ba511aca48d..658b9da09476 100644
--- a/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
+++ b/drivers/staging/rtl8188eu/core/rtw_pwrctrl.c
@@ -276,9 +276,11 @@ void rtw_ps_processor(struct adapter *padapter)
pwrpriv->ps_processing = false;
}

-static void pwr_state_check_handler(unsigned long data)
+static void pwr_state_check_handler(struct timer_list *t)
{
- struct adapter *padapter = (struct adapter *)data;
+ struct adapter *padapter =
+ from_timer(padapter, t,
+ pwrctrlpriv.pwr_state_check_timer);

rtw_ps_cmd(padapter);
}
@@ -540,9 +542,8 @@ void rtw_init_pwrctrl_priv(struct adapter *padapter)

pwrctrlpriv->btcoex_rfon = false;

- setup_timer(&pwrctrlpriv->pwr_state_check_timer,
- pwr_state_check_handler,
- (unsigned long)padapter);
+ timer_setup(&pwrctrlpriv->pwr_state_check_timer,
+ pwr_state_check_handler, 0);
}

/*
diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
index c0d580969029..2f0341689e2f 100644
--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
+++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
@@ -39,7 +39,7 @@ static u8 rtw_rfc1042_header[] = {
0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00
};

-static void rtw_signal_stat_timer_hdl(unsigned long data);
+static void rtw_signal_stat_timer_hdl(struct timer_list *t);

void _rtw_init_sta_recv_priv(struct sta_recv_priv *psta_recvpriv)
{
@@ -86,9 +86,8 @@ int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *padapter)
}
res = rtw_hal_init_recv_priv(padapter);

- setup_timer(&precvpriv->signal_stat_timer,
- rtw_signal_stat_timer_hdl,
- (unsigned long)padapter);
+ timer_setup(&precvpriv->signal_stat_timer, rtw_signal_stat_timer_hdl,
+ 0);

precvpriv->signal_stat_sampling_interval = 1000; /* ms */

@@ -1837,9 +1836,10 @@ static int recv_indicatepkt_reorder(struct adapter *padapter,
return _FAIL;
}

-void rtw_reordering_ctrl_timeout_handler(unsigned long data)
+void rtw_reordering_ctrl_timeout_handler(struct timer_list *t)
{
- struct recv_reorder_ctrl *preorder_ctrl = (struct recv_reorder_ctrl *)data;
+ struct recv_reorder_ctrl *preorder_ctrl = from_timer(preorder_ctrl, t,
+ reordering_ctrl_timer);
struct adapter *padapter = preorder_ctrl->padapter;
struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;

@@ -2007,9 +2007,10 @@ s32 rtw_recv_entry(struct recv_frame *precvframe)
return ret;
}

-static void rtw_signal_stat_timer_hdl(unsigned long data)
+static void rtw_signal_stat_timer_hdl(struct timer_list *t)
{
- struct adapter *adapter = (struct adapter *)data;
+ struct adapter *adapter =
+ from_timer(adapter, t, recvpriv.signal_stat_timer);
struct recv_priv *recvpriv = &adapter->recvpriv;

u32 tmp_s, tmp_q;
diff --git a/drivers/staging/rtl8188eu/include/rtw_led.h b/drivers/staging/rtl8188eu/include/rtw_led.h
index 607d1ba56a46..0d07a4eff7e3 100644
--- a/drivers/staging/rtl8188eu/include/rtw_led.h
+++ b/drivers/staging/rtl8188eu/include/rtw_led.h
@@ -91,7 +91,6 @@ struct led_priv {
/* add for led control */
};

-void BlinkTimerCallback(unsigned long data);
void BlinkWorkItemCallback(struct work_struct *work);

void ResetLedStatus(struct LED_871x *pLed);
diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme.h b/drivers/staging/rtl8188eu/include/rtw_mlme.h
index 5c5d0ae8bdd1..eff7b84b9579 100644
--- a/drivers/staging/rtl8188eu/include/rtw_mlme.h
+++ b/drivers/staging/rtl8188eu/include/rtw_mlme.h
@@ -325,10 +325,10 @@ void rtw_update_registrypriv_dev_network(struct adapter *adapter);

void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter);

-void _rtw_join_timeout_handler(unsigned long data);
-void rtw_scan_timeout_handler(unsigned long data);
+void _rtw_join_timeout_handler(struct timer_list *t);
+void rtw_scan_timeout_handler(struct timer_list *t);

-void rtw_dynamic_check_timer_handlder(unsigned long data);
+void rtw_dynamic_check_timer_handlder(struct timer_list *t);
#define rtw_is_scan_deny(adapter) false
#define rtw_clear_scan_deny(adapter) do {} while (0)
#define rtw_set_scan_deny_timer_hdl(adapter) do {} while (0)
diff --git a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h
index 1b1caaf583c9..f8b9fc2b586a 100644
--- a/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h
+++ b/drivers/staging/rtl8188eu/include/rtw_mlme_ext.h
@@ -572,9 +572,9 @@ void mlmeext_sta_add_event_callback(struct adapter *padapter,

void linked_status_chk(struct adapter *padapter);

-void survey_timer_hdl(unsigned long data);
-void link_timer_hdl(unsigned long data);
-void addba_timer_hdl(unsigned long data);
+void survey_timer_hdl(struct timer_list *t);
+void link_timer_hdl(struct timer_list *t);
+void addba_timer_hdl(struct timer_list *t);

#define set_survey_timer(mlmeext, ms) \
mod_timer(&mlmeext->survey_timer, jiffies + \
diff --git a/drivers/staging/rtl8188eu/include/rtw_recv.h b/drivers/staging/rtl8188eu/include/rtw_recv.h
index 121150860450..e9e97fd20dba 100644
--- a/drivers/staging/rtl8188eu/include/rtw_recv.h
+++ b/drivers/staging/rtl8188eu/include/rtw_recv.h
@@ -247,7 +247,7 @@ void rtw_free_recvframe_queue(struct __queue *pframequeue,
struct __queue *pfree_recv_queue);
u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter);

-void rtw_reordering_ctrl_timeout_handler(unsigned long data);
+void rtw_reordering_ctrl_timeout_handler(struct timer_list *t);

static inline s32 translate_percentage_to_dbm(u32 sig_stren_index)
{
diff --git a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
index bc756267c7fc..831c1ecc5e28 100644
--- a/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/mlme_linux.c
@@ -24,12 +24,10 @@ void rtw_init_mlme_timer(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;

- setup_timer(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler,
- (unsigned long)padapter);
- setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler,
- (unsigned long)padapter);
- setup_timer(&pmlmepriv->dynamic_chk_timer,
- rtw_dynamic_check_timer_handlder, (unsigned long)padapter);
+ timer_setup(&pmlmepriv->assoc_timer, _rtw_join_timeout_handler, 0);
+ timer_setup(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler, 0);
+ timer_setup(&pmlmepriv->dynamic_chk_timer,
+ rtw_dynamic_check_timer_handlder, 0);
}

void rtw_os_indicate_connect(struct adapter *adapter)
@@ -125,18 +123,15 @@ void rtw_report_sec_ie(struct adapter *adapter, u8 authmode, u8 *sec_ie)

void init_addba_retry_timer(struct adapter *padapter, struct sta_info *psta)
{
- setup_timer(&psta->addba_retry_timer, addba_timer_hdl,
- (unsigned long)psta);
+ timer_setup(&psta->addba_retry_timer, addba_timer_hdl, 0);
}

void init_mlme_ext_timer(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;

- setup_timer(&pmlmeext->survey_timer, survey_timer_hdl,
- (unsigned long)padapter);
- setup_timer(&pmlmeext->link_timer, link_timer_hdl,
- (unsigned long)padapter);
+ timer_setup(&pmlmeext->survey_timer, survey_timer_hdl, 0);
+ timer_setup(&pmlmeext->link_timer, link_timer_hdl, 0);
}

#ifdef CONFIG_88EU_AP_MODE
diff --git a/drivers/staging/rtl8188eu/os_dep/recv_linux.c b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
index d14bc2b68d98..bda4ab879f58 100644
--- a/drivers/staging/rtl8188eu/os_dep/recv_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/recv_linux.c
@@ -155,7 +155,6 @@ int rtw_recv_indicatepkt(struct adapter *padapter,
void rtw_init_recv_timer(struct recv_reorder_ctrl *preorder_ctrl)
{

- setup_timer(&preorder_ctrl->reordering_ctrl_timer,
- rtw_reordering_ctrl_timeout_handler,
- (unsigned long)preorder_ctrl);
+ timer_setup(&preorder_ctrl->reordering_ctrl_timer,
+ rtw_reordering_ctrl_timeout_handler, 0);
}
--
2.7.4

--
Kees Cook
Pixel Security

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