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Subject[PATCH 2/3] staging: rtl8188eu: remove pfirmware and fwsize of the hal_data_8188e structure
The pfirmware is used only in rtl88eu_download_fw function
(except the kfree(rtlhal->pfirmware) in netdev_close).

The fwsize not used after initialization at all.

The pfirmvare replaced by fw_data and fwsize removed.

Signed-off-by: Ivan Safonov <insafonov@gmail.com>
---
drivers/staging/rtl8188eu/hal/fw.c | 20 +++++++++-----------
drivers/staging/rtl8188eu/include/rtl8188e_hal.h | 2 --
drivers/staging/rtl8188eu/os_dep/os_intfs.c | 4 ----
3 files changed, 9 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/rtl8188eu/hal/fw.c b/drivers/staging/rtl8188eu/hal/fw.c
index 25cecae..55c17df 100644
--- a/drivers/staging/rtl8188eu/hal/fw.c
+++ b/drivers/staging/rtl8188eu/hal/fw.c
@@ -158,13 +158,12 @@ exit:

int rtl88eu_download_fw(struct adapter *adapt)
{
- struct hal_data_8188e *rtlhal = GET_HAL_DATA(adapt);
struct dvobj_priv *dvobj = adapter_to_dvobj(adapt);
struct device *device = dvobj_to_dev(dvobj);
const struct firmware *fw;
const char fw_name[] = "rtlwifi/rtl8188eufw.bin";
struct rtl92c_firmware_header *pfwheader = NULL;
- u8 *download_data;
+ u8 *download_data, *fw_data;
size_t download_size;
unsigned int trailing_zeros_length;

@@ -181,22 +180,20 @@ int rtl88eu_download_fw(struct adapter *adapt)

trailing_zeros_length = (4 - fw->size % 4) % 4;

- rtlhal->fwsize = fw->size;
- rtlhal->pfirmware = kmalloc(fw->size + trailing_zeros_length,
- GFP_KERNEL);
- if (!rtlhal->pfirmware)
+ fw_data = kmalloc(fw->size + trailing_zeros_length, GFP_KERNEL);
+ if (!fw_data)
return -ENOMEM;

- memcpy(rtlhal->pfirmware, fw->data, fw->size);
- memset(rtlhal->pfirmware + fw->size, 0, trailing_zeros_length);
+ memcpy(fw_data, fw->data, fw->size);
+ memset(fw_data + fw->size, 0, trailing_zeros_length);

- pfwheader = (struct rtl92c_firmware_header *)rtlhal->pfirmware;
+ pfwheader = (struct rtl92c_firmware_header *)fw_data;

if (IS_FW_HEADER_EXIST(pfwheader)) {
- download_data = rtlhal->pfirmware + 32;
+ download_data = fw_data + 32;
download_size = fw->size + trailing_zeros_length - 32;
} else {
- download_data = rtlhal->pfirmware;
+ download_data = fw_data;
download_size = fw->size + trailing_zeros_length;
}

@@ -211,5 +208,6 @@ int rtl88eu_download_fw(struct adapter *adapt)
_rtl88e_write_fw(adapt, download_data, download_size);
_rtl88e_enable_fw_download(adapt, false);

+ kfree(fw_data);
return _rtl88e_fw_free_to_go(adapt);
}
diff --git a/drivers/staging/rtl8188eu/include/rtl8188e_hal.h b/drivers/staging/rtl8188eu/include/rtl8188e_hal.h
index cbad364..9f5050e 100644
--- a/drivers/staging/rtl8188eu/include/rtl8188e_hal.h
+++ b/drivers/staging/rtl8188eu/include/rtl8188e_hal.h
@@ -191,8 +191,6 @@ struct txpowerinfo24g {
struct hal_data_8188e {
struct HAL_VERSION VersionID;
u16 CustomerID;
- u8 *pfirmware;
- u32 fwsize;
u16 FirmwareVersion;
u16 FirmwareVersionRev;
u16 FirmwareSubVersion;
diff --git a/drivers/staging/rtl8188eu/os_dep/os_intfs.c b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
index 3b25acf..7986e67 100644
--- a/drivers/staging/rtl8188eu/os_dep/os_intfs.c
+++ b/drivers/staging/rtl8188eu/os_dep/os_intfs.c
@@ -1155,7 +1155,6 @@ int pm_netdev_open(struct net_device *pnetdev, u8 bnormal)
static int netdev_close(struct net_device *pnetdev)
{
struct adapter *padapter = (struct adapter *)rtw_netdev_priv(pnetdev);
- struct hal_data_8188e *rtlhal = GET_HAL_DATA(padapter);

RT_TRACE(_module_os_intfs_c_, _drv_info_, ("+88eu_drv - drv_close\n"));

@@ -1188,9 +1187,6 @@ static int netdev_close(struct net_device *pnetdev)
rtw_led_control(padapter, LED_CTL_POWER_OFF);
}

- kfree(rtlhal->pfirmware);
- rtlhal->pfirmware = NULL;
-
RT_TRACE(_module_os_intfs_c_, _drv_info_, ("-88eu_drv - drv_close\n"));
DBG_88E("-88eu_drv - drv_close, bup =%d\n", padapter->bup);
return 0;
--
2.4.10
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