staging: rtl8723au: Get rid of rtl8723au_set_hal_ops() and get rid of hal_ops.h

Since rtl8723au_set_hal_ops() is just a kmalloc(), move it to
rtw_usb_if1_init() and fix the error handling to not leak memory.

This also allows us to get rid of hal_ops.h
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/hal/hal_intf.c

@@ -19,7 +19,6 @@
 
 #include <hal_intf.h>
 
-#include <usb_hal.h>
 #include <rtl8723a_hal.h>
 
 void rtw_hal_update_ra_mask23a(struct sta_info *psta, u8 rssi_level)

drivers/staging/rtl8723au/hal/usb_halinit.c

@@ -25,7 +25,6 @@
 #include <linux/ieee80211.h>
 
 #include <usb_ops.h>
-#include <usb_hal.h>
 #include <usb_osintf.h>
 
 static void
@@ -1691,14 +1690,3 @@ int rtw_hal_deinit23a(struct rtw_adapter *padapter)
 		DBG_8723A("\n rtw_hal_deinit23a: hal_init fail\n");
 	return status;
 }
-
-int rtl8723au_set_hal_ops(struct rtw_adapter *padapter)
-{
-	padapter->HalData = kzalloc(sizeof(struct hal_data_8723a), GFP_KERNEL);
-	if (!padapter->HalData) {
-		DBG_8723A("cannot alloc memory for HAL DATA\n");
-		return -ENOMEM;
-	}
-
-	return 0;
-}

drivers/staging/rtl8723au/include/usb_hal.h

-/******************************************************************************
- *
- * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- ******************************************************************************/
-#ifndef __USB_HAL_H__
-#define __USB_HAL_H__
-
-int rtl8723au_set_hal_ops(struct rtw_adapter *padapter);
-
-#endif /* __USB_HAL_H__ */

drivers/staging/rtl8723au/os_dep/usb_intf.c

@@ -24,7 +24,6 @@
 #include <usb_vendor_req.h>
 #include <usb_ops.h>
 #include <usb_osintf.h>
-#include <usb_hal.h>
 #include <rtl8723a_hal.h>
 
 static int rtw_suspend(struct usb_interface *intf, pm_message_t message);
@@ -616,9 +615,10 @@ static struct rtw_adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
 	if (rtw_wdev_alloc(padapter, dvobj_to_dev(dvobj)))
 		goto handle_dualmac;
 
-	/* step 2. hook HalFunc, allocate HalData */
-	if (rtl8723au_set_hal_ops(padapter))
-		return NULL;
+	/* step 2. allocate HalData */
+	padapter->HalData = kzalloc(sizeof(struct hal_data_8723a), GFP_KERNEL);
+	if (!padapter->HalData)
+		goto free_wdev;
 
 	padapter->intf_start = &usb_intf_start;
 	padapter->intf_stop = &usb_intf_stop;
@@ -674,6 +674,7 @@ static struct rtw_adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
 free_hal_data:
 	if (status != _SUCCESS)
 		kfree(padapter->HalData);
+free_wdev:
 	if (status != _SUCCESS) {
 		rtw_wdev_unregister(padapter->rtw_wdev);
 		rtw_wdev_free(padapter->rtw_wdev);