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staging/wilc1000: Convert timers to use timer_setup() 

As part of removing the timer_list.data field, this converts the wilc1000
driver to using from_timer and an explicit per-timer data field, since
there doesn't appear to be a way to sanely resolve vif from hif_drv.

Cc: Aditya Shankar <aditya.shankar@microchip.com>
Cc: Ganesh Krishna <ganesh.krishna@microchip.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-wireless@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kees Cook 2017-10-16 16:24:32 -07:00 committed by Greg Kroah-Hartman
parent 36aeebd485
commit 1f233190f1
3 changed files with 28 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/staging/wilc1000/host_interface.c
View File

@ -238,6 +238,7 @@ static struct completion hif_driver_comp;
static struct completion hif_wait_response;
static struct mutex hif_deinit_lock;
static struct timer_list periodic_rssi;
static struct wilc_vif *periodic_rssi_vif;
u8 wilc_multicast_mac_addr_list[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN];
@ -2272,7 +2273,7 @@ static int Handle_RemainOnChan(struct wilc_vif *vif,
ERRORHANDLER:
{
P2P_LISTEN_STATE = 1;
hif_drv->remain_on_ch_timer.data = (unsigned long)vif;
hif_drv->remain_on_ch_timer_vif = vif;
mod_timer(&hif_drv->remain_on_ch_timer,
jiffies +
msecs_to_jiffies(pstrHostIfRemainOnChan->duration));
@ -2360,11 +2361,13 @@ static u32 Handle_ListenStateExpired(struct wilc_vif *vif,
return result;
}
static void ListenTimerCB(unsigned long arg)
static void ListenTimerCB(struct timer_list *t)
{
struct host_if_drv *hif_drv = from_timer(hif_drv, t,
remain_on_ch_timer);
struct wilc_vif *vif = hif_drv->remain_on_ch_timer_vif;
s32 result = 0;
struct host_if_msg msg;
struct wilc_vif *vif = (struct wilc_vif *)arg;
del_timer(&vif->hif_drv->remain_on_ch_timer);
@ -2643,9 +2646,10 @@ static void host_if_work(struct work_struct *work)
complete(&hif_thread_comp);
}
static void TimerCB_Scan(unsigned long arg)
static void TimerCB_Scan(struct timer_list *t)
{
struct wilc_vif *vif = (struct wilc_vif *)arg;
struct host_if_drv *hif_drv = from_timer(hif_drv, t, scan_timer);
struct wilc_vif *vif = hif_drv->scan_timer_vif;
struct host_if_msg msg;
memset(&msg, 0, sizeof(struct host_if_msg));
@ -2655,9 +2659,11 @@ static void TimerCB_Scan(unsigned long arg)
wilc_enqueue_cmd(&msg);
}
static void TimerCB_Connect(unsigned long arg)
static void TimerCB_Connect(struct timer_list *t)
{
struct wilc_vif *vif = (struct wilc_vif *)arg;
struct host_if_drv *hif_drv = from_timer(hif_drv, t,
connect_timer);
struct wilc_vif *vif = hif_drv->connect_timer_vif;
struct host_if_msg msg;
memset(&msg, 0, sizeof(struct host_if_msg));
@ -3040,7 +3046,7 @@ int wilc_set_join_req(struct wilc_vif *vif, u8 *bssid, const u8 *ssid,
return -EFAULT;
}
hif_drv->connect_timer.data = (unsigned long)vif;
hif_drv->connect_timer_vif = vif;
mod_timer(&hif_drv->connect_timer,
jiffies + msecs_to_jiffies(HOST_IF_CONNECT_TIMEOUT));
@ -3283,7 +3289,7 @@ int wilc_scan(struct wilc_vif *vif, u8 scan_source, u8 scan_type,
return -EINVAL;
}
hif_drv->scan_timer.data = (unsigned long)vif;
hif_drv->scan_timer_vif = vif;
mod_timer(&hif_drv->scan_timer,
jiffies + msecs_to_jiffies(HOST_IF_SCAN_TIMEOUT));
@ -3309,9 +3315,9 @@ int wilc_hif_set_cfg(struct wilc_vif *vif,
return wilc_enqueue_cmd(&msg);
}
static void GetPeriodicRSSI(unsigned long arg)
static void GetPeriodicRSSI(struct timer_list *unused)
{
struct wilc_vif *vif = (struct wilc_vif *)arg;
struct wilc_vif *vif = periodic_rssi_vif;
if (!vif->hif_drv) {
netdev_err(vif->ndev, "Driver handler is NULL\n");
@ -3321,7 +3327,6 @@ static void GetPeriodicRSSI(unsigned long arg)
if (vif->hif_drv->hif_state == HOST_IF_CONNECTED)
wilc_get_statistics(vif, &vif->wilc->dummy_statistics);
periodic_rssi.data = (unsigned long)vif;
mod_timer(&periodic_rssi, jiffies + msecs_to_jiffies(5000));
}
@ -3374,14 +3379,14 @@ int wilc_init(struct net_device *dev, struct host_if_drv **hif_drv_handler)
goto _fail_;
}
setup_timer(&periodic_rssi, GetPeriodicRSSI,
(unsigned long)vif);
periodic_rssi_vif = vif;
timer_setup(&periodic_rssi, GetPeriodicRSSI, 0);
mod_timer(&periodic_rssi, jiffies + msecs_to_jiffies(5000));
}
setup_timer(&hif_drv->scan_timer, TimerCB_Scan, 0);
setup_timer(&hif_drv->connect_timer, TimerCB_Connect, 0);
setup_timer(&hif_drv->remain_on_ch_timer, ListenTimerCB, 0);
timer_setup(&hif_drv->scan_timer, TimerCB_Scan, 0);
timer_setup(&hif_drv->connect_timer, TimerCB_Connect, 0);
timer_setup(&hif_drv->remain_on_ch_timer, ListenTimerCB, 0);
mutex_init(&hif_drv->cfg_values_lock);
mutex_lock(&hif_drv->cfg_values_lock);

5
drivers/staging/wilc1000/host_interface.h
View File

@ -279,8 +279,13 @@ struct host_if_drv {
struct completion comp_inactive_time;
struct timer_list scan_timer;
struct wilc_vif *scan_timer_vif;
struct timer_list connect_timer;
struct wilc_vif *connect_timer_vif;
struct timer_list remain_on_ch_timer;
struct wilc_vif *remain_on_ch_timer_vif;
bool IFC_UP;
int driver_handler_id;

4
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
View File

@ -266,7 +266,7 @@ static void update_scan_time(void)
last_scanned_shadow[i].time_scan = jiffies;
}
static void remove_network_from_shadow(unsigned long arg)
static void remove_network_from_shadow(unsigned long unused)
{
unsigned long now = jiffies;
int i, j;
@ -287,7 +287,6 @@ static void remove_network_from_shadow(unsigned long arg)
}
if (last_scanned_cnt != 0) {
hAgingTimer.data = arg;
mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
}
}
@ -304,7 +303,6 @@ static int is_network_in_shadow(struct network_info *pstrNetworkInfo,
int i;
if (last_scanned_cnt == 0) {
hAgingTimer.data = (unsigned long)user_void;
mod_timer(&hAgingTimer, jiffies + msecs_to_jiffies(AGING_TIME));
state = -1;
} else {