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 <gre...@linuxfoundation.org>
Cc: Derek Robson <robso...@gmail.com>
Cc: Suniel Mahesh <suniel.spar...@gmail.com>
Cc: Malcolm Priestley <tvbox...@gmail.com>
Cc: Gargi Sharma <gs051...@gmail.com>
Cc: Julia Lawall <julia.law...@lip6.fr>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Johannes Berg <johannes.b...@intel.com>
Cc: Yamanappagouda Patil <goudapat...@gmail.com>
Cc: Georgiana Rodica Chelu <georgiana.chel...@gmail.com>
Cc: Colin Ian King <colin.k...@canonical.com>
Cc: Baoyou Xie <baoyou....@linaro.org>
Cc: de...@driverdev.osuosl.org
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
Cc: Derek Robson <robso...@gmail.com>
Cc: Suniel Mahesh <suniel.spar...@gmail.com>
Cc: Malcolm Priestley <tvbox...@gmail.com>
Cc: Gargi Sharma <gs051...@gmail.com>
Cc: Julia Lawall <julia.law...@lip6.fr>
Cc: Yamanappagouda Patil <goudapat...@gmail.com>
Cc: "David S. Miller" <da...@davemloft.net>
Cc: Johannes Berg <johannes.b...@intel.com>
Cc: Georgiana Rodica Chelu <georgiana.chel...@gmail.com>
Cc: Colin Ian King <colin.k...@canonical.com>
Cc: Baoyou Xie <baoyou....@linaro.org>
Cc: de...@driverdev.osuosl.org
Signed-off-by: Kees Cook <keesc...@chromium.org>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 25 ++++++-------
 drivers/staging/rtl8192e/rtl8192e/rtl_core.h |  2 +-
 drivers/staging/rtl8192e/rtl8192e/rtl_dm.c   | 11 +++---
 drivers/staging/rtl8192e/rtl8192e/rtl_pm.c   |  2 +-
 drivers/staging/rtl8192e/rtl819x_BAProc.c    | 15 +++++---
 drivers/staging/rtl8192e/rtl819x_TSProc.c    | 56 ++++++++++++----------------
 drivers/staging/rtl8192e/rtllib.h            |  6 +--
 drivers/staging/rtl8192e/rtllib_softmac.c    | 18 ++++-----
 8 files changed, 61 insertions(+), 74 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c 
b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index aca52654825b..d2605158546b 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -85,7 +85,7 @@ static struct pci_driver rtl8192_pci_driver = {
 
 static short _rtl92e_is_tx_queue_empty(struct net_device *dev);
 static void _rtl92e_watchdog_wq_cb(void *data);
-static void _rtl92e_watchdog_timer_cb(unsigned long data);
+static void _rtl92e_watchdog_timer_cb(struct timer_list *t);
 static void _rtl92e_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
                                   int rate);
 static int _rtl92e_hard_start_xmit(struct sk_buff *skb, struct net_device 
*dev);
@@ -766,12 +766,12 @@ static int _rtl92e_sta_up(struct net_device *dev, bool 
is_silent_reset)
        priv->bfirst_init = false;
 
        if (priv->polling_timer_on == 0)
-               rtl92e_check_rfctrl_gpio_timer((unsigned long)dev);
+               rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer);
 
        if (priv->rtllib->state != RTLLIB_LINKED)
                rtllib_softmac_start_protocol(priv->rtllib, 0);
        rtllib_reset_queue(priv->rtllib);
-       _rtl92e_watchdog_timer_cb((unsigned long)dev);
+       _rtl92e_watchdog_timer_cb(&priv->watch_dog_timer);
 
        if (!netif_queue_stopped(dev))
                netif_start_queue(dev);
@@ -1075,13 +1075,10 @@ static short _rtl92e_init(struct net_device *dev)
 
        rtl92e_dm_init(dev);
 
-       setup_timer(&priv->watch_dog_timer,
-                   _rtl92e_watchdog_timer_cb,
-                   (unsigned long)dev);
+       timer_setup(&priv->watch_dog_timer, _rtl92e_watchdog_timer_cb, 0);
 
-       setup_timer(&priv->gpio_polling_timer,
-                   rtl92e_check_rfctrl_gpio_timer,
-                   (unsigned long)dev);
+       timer_setup(&priv->gpio_polling_timer, rtl92e_check_rfctrl_gpio_timer,
+                   0);
 
        rtl92e_irq_disable(dev);
        if (request_irq(dev->irq, _rtl92e_irq, IRQF_SHARED, dev->name, dev)) {
@@ -1531,9 +1528,9 @@ static void _rtl92e_watchdog_wq_cb(void *data)
        RT_TRACE(COMP_TRACE, " <==RtUsbCheckForHangWorkItemCallback()\n");
 }
 
-static void _rtl92e_watchdog_timer_cb(unsigned long data)
+static void _rtl92e_watchdog_timer_cb(struct timer_list *t)
 {
-       struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
+       struct r8192_priv *priv = from_timer(priv, t, watch_dog_timer);
 
        schedule_delayed_work(&priv->watch_dog_wq, 0);
        mod_timer(&priv->watch_dog_timer, jiffies +
@@ -2535,7 +2532,7 @@ static int _rtl92e_pci_probe(struct pci_dev *pdev,
        RT_TRACE(COMP_INIT, "dev name: %s\n", dev->name);
 
        if (priv->polling_timer_on == 0)
-               rtl92e_check_rfctrl_gpio_timer((unsigned long)dev);
+               rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer);
 
        RT_TRACE(COMP_INIT, "Driver probe completed\n");
        return 0;
@@ -2648,9 +2645,9 @@ bool rtl92e_disable_nic(struct net_device *dev)
 
 module_pci_driver(rtl8192_pci_driver);
 
-void rtl92e_check_rfctrl_gpio_timer(unsigned long data)
+void rtl92e_check_rfctrl_gpio_timer(struct timer_list *t)
 {
-       struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
+       struct r8192_priv *priv = from_timer(priv, t, gpio_polling_timer);
 
        priv->polling_timer_on = 1;
 
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h 
b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
index 9d3089cb6a5a..866fe4d4cb28 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.h
@@ -587,7 +587,7 @@ void rtl92e_tx_enable(struct net_device *);
 void rtl92e_hw_sleep_wq(void *data);
 void rtl92e_commit(struct net_device *dev);
 
-void rtl92e_check_rfctrl_gpio_timer(unsigned long data);
+void rtl92e_check_rfctrl_gpio_timer(struct timer_list *t);
 
 void rtl92e_hw_wakeup_wq(void *data);
 
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c 
b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
index b8205ebafd72..9bf95bd0ad13 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_dm.c
@@ -196,7 +196,7 @@ static      void 
_rtl92e_dm_check_txrateandretrycount(struct net_device *dev);
 static  void _rtl92e_dm_check_ac_dc_power(struct net_device *dev);
 static void _rtl92e_dm_check_fsync(struct net_device *dev);
 static void _rtl92e_dm_check_rf_ctrl_gpio(void *data);
-static void _rtl92e_dm_fsync_timer_callback(unsigned long data);
+static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t);
 
 /*---------------------Define local function prototype-----------------------*/
 
@@ -2125,8 +2125,7 @@ static void _rtl92e_dm_init_fsync(struct net_device *dev)
        priv->rtllib->fsync_state = Default_Fsync;
        priv->framesyncMonitor = 1;
 
-       setup_timer(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback,
-                   (unsigned long)dev);
+       timer_setup(&priv->fsync_timer, _rtl92e_dm_fsync_timer_callback, 0);
 }
 
 
@@ -2137,10 +2136,10 @@ static void _rtl92e_dm_deinit_fsync(struct net_device 
*dev)
        del_timer_sync(&priv->fsync_timer);
 }
 
-static void _rtl92e_dm_fsync_timer_callback(unsigned long data)
+static void _rtl92e_dm_fsync_timer_callback(struct timer_list *t)
 {
-       struct net_device *dev = (struct net_device *)data;
-       struct r8192_priv *priv = rtllib_priv((struct net_device *)data);
+       struct r8192_priv *priv = from_timer(priv, t, fsync_timer);
+       struct net_device *dev = priv->rtllib->dev;
        u32 rate_index, rate_count = 0, rate_count_diff = 0;
        bool            bSwitchFromCountDiff = false;
        bool            bDoubleTimeInterval = false;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c 
b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c
index 3e3273d3e043..81a68b0b4a7f 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_pm.c
@@ -91,7 +91,7 @@ int rtl92e_resume(struct pci_dev *pdev)
        pci_enable_wake(pdev, PCI_D0, 0);
 
        if (priv->polling_timer_on == 0)
-               rtl92e_check_rfctrl_gpio_timer((unsigned long)dev);
+               rtl92e_check_rfctrl_gpio_timer(&priv->gpio_polling_timer);
 
        if (!netif_running(dev)) {
                netdev_info(dev,
diff --git a/drivers/staging/rtl8192e/rtl819x_BAProc.c 
b/drivers/staging/rtl8192e/rtl819x_BAProc.c
index 1720e1b6ae04..eb6d841f7c45 100644
--- a/drivers/staging/rtl8192e/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_BAProc.c
@@ -528,18 +528,20 @@ void TsInitDelBA(struct rtllib_device *ieee,
        }
 }
 
-void BaSetupTimeOut(unsigned long data)
+void BaSetupTimeOut(struct timer_list *t)
 {
-       struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
+       struct tx_ts_record *pTxTs = from_timer(pTxTs, t,
+                                             TxPendingBARecord.Timer);
 
        pTxTs->bAddBaReqInProgress = false;
        pTxTs->bAddBaReqDelayed = true;
        pTxTs->TxPendingBARecord.bValid = false;
 }
 
-void TxBaInactTimeout(unsigned long data)
+void TxBaInactTimeout(struct timer_list *t)
 {
-       struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
+       struct tx_ts_record *pTxTs = from_timer(pTxTs, t,
+                                             TxAdmittedBARecord.Timer);
        struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device,
                                     TxTsRecord[pTxTs->num]);
        TxTsDeleteBA(ieee, pTxTs);
@@ -548,9 +550,10 @@ void TxBaInactTimeout(unsigned long data)
                          DELBA_REASON_TIMEOUT);
 }
 
-void RxBaInactTimeout(unsigned long data)
+void RxBaInactTimeout(struct timer_list *t)
 {
-       struct rx_ts_record *pRxTs = (struct rx_ts_record *)data;
+       struct rx_ts_record *pRxTs = from_timer(pRxTs, t,
+                                             RxAdmittedBARecord.Timer);
        struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
                                     RxTsRecord[pRxTs->num]);
 
diff --git a/drivers/staging/rtl8192e/rtl819x_TSProc.c 
b/drivers/staging/rtl8192e/rtl819x_TSProc.c
index dcc4eb691889..f839d2447b85 100644
--- a/drivers/staging/rtl8192e/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/rtl819x_TSProc.c
@@ -16,17 +16,18 @@
 #include <linux/etherdevice.h>
 #include "rtl819x_TS.h"
 
-static void TsSetupTimeOut(unsigned long data)
+static void TsSetupTimeOut(struct timer_list *unused)
 {
 }
 
-static void TsInactTimeout(unsigned long data)
+static void TsInactTimeout(struct timer_list *unused)
 {
 }
 
-static void RxPktPendingTimeout(unsigned long data)
+static void RxPktPendingTimeout(struct timer_list *t)
 {
-       struct rx_ts_record *pRxTs = (struct rx_ts_record *)data;
+       struct rx_ts_record *pRxTs = from_timer(pRxTs, t,
+                                                    RxPktPendingTimer);
        struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
                                                  RxTsRecord[pRxTs->num]);
 
@@ -96,9 +97,9 @@ static void RxPktPendingTimeout(unsigned long data)
        spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 }
 
-static void TsAddBaProcess(unsigned long data)
+static void TsAddBaProcess(struct timer_list *t)
 {
-       struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
+       struct tx_ts_record *pTxTs = from_timer(pTxTs, t, TsAddBaTimer);
        u8 num = pTxTs->num;
        struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device,
                                     TxTsRecord[num]);
@@ -150,24 +151,18 @@ void TSInitialize(struct rtllib_device *ieee)
 
        for (count = 0; count < TOTAL_TS_NUM; count++) {
                pTxTS->num = count;
-               setup_timer(&pTxTS->TsCommonInfo.SetupTimer,
-                           TsSetupTimeOut,
-                           (unsigned long) pTxTS);
+               timer_setup(&pTxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut,
+                           0);
 
-               setup_timer(&pTxTS->TsCommonInfo.InactTimer,
-                           TsInactTimeout,
-                           (unsigned long) pTxTS);
+               timer_setup(&pTxTS->TsCommonInfo.InactTimer, TsInactTimeout,
+                           0);
 
-               setup_timer(&pTxTS->TsAddBaTimer,
-                           TsAddBaProcess,
-                           (unsigned long) pTxTS);
+               timer_setup(&pTxTS->TsAddBaTimer, TsAddBaProcess, 0);
 
-               setup_timer(&pTxTS->TxPendingBARecord.Timer,
-                           BaSetupTimeOut,
-                           (unsigned long) pTxTS);
-               setup_timer(&pTxTS->TxAdmittedBARecord.Timer,
-                           TxBaInactTimeout,
-                           (unsigned long) pTxTS);
+               timer_setup(&pTxTS->TxPendingBARecord.Timer, BaSetupTimeOut,
+                           0);
+               timer_setup(&pTxTS->TxAdmittedBARecord.Timer,
+                           TxBaInactTimeout, 0);
 
                ResetTxTsEntry(pTxTS);
                list_add_tail(&pTxTS->TsCommonInfo.List,
@@ -182,21 +177,16 @@ void TSInitialize(struct rtllib_device *ieee)
                pRxTS->num = count;
                INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
 
-               setup_timer(&pRxTS->TsCommonInfo.SetupTimer,
-                           TsSetupTimeOut,
-                           (unsigned long) pRxTS);
+               timer_setup(&pRxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut,
+                           0);
 
-               setup_timer(&pRxTS->TsCommonInfo.InactTimer,
-                           TsInactTimeout,
-                           (unsigned long) pRxTS);
+               timer_setup(&pRxTS->TsCommonInfo.InactTimer, TsInactTimeout,
+                           0);
 
-               setup_timer(&pRxTS->RxAdmittedBARecord.Timer,
-                           RxBaInactTimeout,
-                           (unsigned long) pRxTS);
+               timer_setup(&pRxTS->RxAdmittedBARecord.Timer,
+                           RxBaInactTimeout, 0);
 
-               setup_timer(&pRxTS->RxPktPendingTimer,
-                           RxPktPendingTimeout,
-                           (unsigned long) pRxTS);
+               timer_setup(&pRxTS->RxPktPendingTimer, RxPktPendingTimeout, 0);
 
                ResetRxTsEntry(pRxTS);
                list_add_tail(&pRxTS->TsCommonInfo.List,
diff --git a/drivers/staging/rtl8192e/rtllib.h 
b/drivers/staging/rtl8192e/rtllib.h
index 0042a0f6cf79..c01474a6db1e 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -2113,9 +2113,9 @@ void TsInitAddBA(struct rtllib_device *ieee, struct 
tx_ts_record *pTS,
 void TsInitDelBA(struct rtllib_device *ieee,
                 struct ts_common_info *pTsCommonInfo,
                 enum tr_select TxRxSelect);
-void BaSetupTimeOut(unsigned long data);
-void TxBaInactTimeout(unsigned long data);
-void RxBaInactTimeout(unsigned long data);
+void BaSetupTimeOut(struct timer_list *t);
+void TxBaInactTimeout(struct timer_list *t);
+void RxBaInactTimeout(struct timer_list *t);
 void ResetBaEntry(struct ba_record *pBA);
 bool GetTs(struct rtllib_device *ieee, struct ts_common_info **ppTS, u8 *Addr,
           u8 TID, enum tr_select TxRxSelect, bool bAddNewTs);
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c 
b/drivers/staging/rtl8192e/rtllib_softmac.c
index 1e308dfd7f74..c2b9ffba354a 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -393,10 +393,10 @@ static void rtllib_send_beacon(struct rtllib_device *ieee)
 }
 
 
-static void rtllib_send_beacon_cb(unsigned long _ieee)
+static void rtllib_send_beacon_cb(struct timer_list *t)
 {
        struct rtllib_device *ieee =
-               (struct rtllib_device *) _ieee;
+               from_timer(ieee, t, beacon_timer);
        unsigned long flags;
 
        spin_lock_irqsave(&ieee->beacon_lock, flags);
@@ -1427,9 +1427,11 @@ static void rtllib_associate_abort(struct rtllib_device 
*ieee)
        spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-static void rtllib_associate_abort_cb(unsigned long dev)
+static void rtllib_associate_abort_cb(struct timer_list *t)
 {
-       rtllib_associate_abort((struct rtllib_device *) dev);
+       struct rtllib_device *dev = from_timer(dev, t, associate_timer);
+
+       rtllib_associate_abort(dev);
 }
 
 static void rtllib_associate_step1(struct rtllib_device *ieee, u8 *daddr)
@@ -3012,13 +3014,9 @@ void rtllib_softmac_init(struct rtllib_device *ieee)
 
        ieee->tx_pending.txb = NULL;
 
-       setup_timer(&ieee->associate_timer,
-                   rtllib_associate_abort_cb,
-                   (unsigned long) ieee);
+       timer_setup(&ieee->associate_timer, rtllib_associate_abort_cb, 0);
 
-       setup_timer(&ieee->beacon_timer,
-                   rtllib_send_beacon_cb,
-                   (unsigned long) ieee);
+       timer_setup(&ieee->beacon_timer, rtllib_send_beacon_cb, 0);
 
        INIT_DELAYED_WORK_RSL(&ieee->link_change_wq,
                              (void *)rtllib_link_change_wq, ieee);
-- 
2.7.4


-- 
Kees Cook
Pixel Security
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