From: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
Remove use of 'terminated_handle' variable and set the 'hif_drv' to
NULL once it's free.
Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
---
drivers/staging/wilc1000/host_interface.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index fde236a..4598920 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -130,7 +130,6 @@ struct wilc_join_bss_param {
};
} __packed;
-static struct host_if_drv *terminated_handle;
static struct mutex hif_deinit_lock;
/* 'msg' should be free by the caller for syc */
@@ -1478,6 +1477,9 @@ int wilc_set_wfi_drv_handler(struct wilc_vif *vif, int index, u8 mode,
int result;
struct wilc_drv_handler drv;
+ if (!hif_drv)
+ return -EFAULT;
+
wid.id = WID_SET_DRV_HANDLER;
wid.type = WID_STR;
wid.size = sizeof(drv);
@@ -1699,8 +1701,6 @@ int wilc_deinit(struct wilc_vif *vif)
mutex_lock(&hif_deinit_lock);
- terminated_handle = hif_drv;
-
del_timer_sync(&hif_drv->scan_timer);
del_timer_sync(&hif_drv->connect_timer);
del_timer_sync(&vif->periodic_rssi);
@@ -1717,9 +1717,8 @@ int wilc_deinit(struct wilc_vif *vif)
hif_drv->hif_state = HOST_IF_IDLE;
kfree(hif_drv);
-
+ vif->hif_drv = NULL;
vif->wilc->clients_count--;
- terminated_handle = NULL;
mutex_unlock(&hif_deinit_lock);
return result;
}
@@ -1738,7 +1737,7 @@ void wilc_network_info_received(struct wilc *wilc, u8 *buffer, u32 length)
return;
hif_drv = vif->hif_drv;
- if (!hif_drv || hif_drv == terminated_handle) {
+ if (!hif_drv) {
netdev_err(vif->ndev, "driver not init[%p]\n", hif_drv);
return;
}
@@ -1784,7 +1783,7 @@ void wilc_gnrl_async_info_received(struct wilc *wilc, u8 *buffer, u32 length)
hif_drv = vif->hif_drv;
- if (!hif_drv || hif_drv == terminated_handle) {
+ if (!hif_drv) {
mutex_unlock(&hif_deinit_lock);
return;
}
@@ -1824,7 +1823,7 @@ void wilc_scan_complete_received(struct wilc *wilc, u8 *buffer, u32 length)
return;
hif_drv = vif->hif_drv;
- if (!hif_drv || hif_drv == terminated_handle)
+ if (!hif_drv)
return;
if (hif_drv->usr_scan_req.scan_result) {
--
2.7.4
