staging: rtl8723bs: convert private allocation functions to return void *

Using char * for a return from allocation functions means the
code has to cast generic allocations to specific types.

Allow the compiler to not need casts on the allocations.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/include/osdep_service.h

@@ -96,8 +96,8 @@ typedef enum mstat_status{
 
 #define rtw_mstat_update(flag, status, sz) do {} while (0)
 #define rtw_mstat_dump(sel) do {} while (0)
-u8*_rtw_zmalloc(u32 sz);
-u8*_rtw_malloc(u32 sz);
+void *_rtw_zmalloc(u32 sz);
+void *_rtw_malloc(u32 sz);
 void _kfree(u8 *pbuf, u32 sz);
 
 struct sk_buff *_rtw_skb_alloc(u32 sz);

drivers/staging/rtl8723bs/os_dep/osdep_service.c

@@ -30,22 +30,17 @@ inline int RTW_STATUS_CODE(int error_code)
 	return _FAIL;
 }
 
-u8 *_rtw_malloc(u32 sz)
+void *_rtw_malloc(u32 sz)
 {
-	u8 *pbuf = NULL;
-
-	pbuf = kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
-
-	return pbuf;
+	return kmalloc(sz, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
 }
 
-u8 *_rtw_zmalloc(u32 sz)
+void *_rtw_zmalloc(u32 sz)
 {
-	u8 *pbuf = _rtw_malloc(sz);
+	void *pbuf = _rtw_malloc(sz);
 
-	if (pbuf != NULL) {
+	if (pbuf)
 		memset(pbuf, 0, sz);
-	}
 
 	return pbuf;
 }