Staging: w35und: OS_MEMORY_ALLOC wrapper removal

This patch removes the rather scary OS_MEMORY_ALLOC macro.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/winbond/adapter.h

-#define OS_MEMORY_ALLOC( _V, _S )	WBLINUX_MemoryAlloc( _V, _S )
 #define OS_LINK_STATUS			(adapter->LinkStatus == OS_CONNECTED)
 #define OS_SET_SHUTDOWN( _A )		_A->shutdown=1
 #define OS_SET_RESUME( _A )		_A->shutdown=0

drivers/staging/winbond/linux/wb35reg.c

@@ -25,7 +25,7 @@ Wb35Reg_BurstWrite(phw_data_t pHwData, u16 RegisterNo, u32 * pRegisterData, u8 N
 
 	// Trying to use burst write function if use new hardware
 	UrbSize = sizeof(struct wb35_reg_queue) + DataSize + sizeof(struct usb_ctrlrequest);
-	OS_MEMORY_ALLOC( (void* *)&reg_queue, UrbSize );
+	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if( urb && reg_queue ) {
 		reg_queue->DIRECT = 2;// burst write register
@@ -174,7 +174,7 @@ Wb35Reg_Write(  phw_data_t pHwData,  u16 RegisterNo,  u32 RegisterValue )
 
 	// update the register by send urb request------------------------------------
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
-	OS_MEMORY_ALLOC( (void* *)&reg_queue, UrbSize );
+	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (urb && reg_queue) {
 		reg_queue->DIRECT = 1;// burst write register
@@ -234,7 +234,7 @@ Wb35Reg_WriteWithCallbackValue( phw_data_t pHwData, u16 RegisterNo, u32 Register
 
 	// update the register by send urb request------------------------------------
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
-	OS_MEMORY_ALLOC((void* *) &reg_queue, UrbSize );
+	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (urb && reg_queue) {
 		reg_queue->DIRECT = 1;// burst write register
@@ -341,7 +341,7 @@ Wb35Reg_Read(phw_data_t pHwData, u16 RegisterNo,  u32 * pRegisterValue )
 
 	// update the variable by send Urb to read register ------------------------------------
 	UrbSize = sizeof(struct wb35_reg_queue) + sizeof(struct usb_ctrlrequest);
-	OS_MEMORY_ALLOC( (void* *)&reg_queue, UrbSize );
+	reg_queue = kzalloc(UrbSize, GFP_ATOMIC);
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if( urb && reg_queue )
 	{

drivers/staging/winbond/linux/wb35rx.c

@@ -57,7 +57,8 @@ void Wb35Rx(  phw_data_t pHwData )
 
 	pWb35Rx->CurrentRxBufferId = RxBufferId;
 
-	if (1 != OS_MEMORY_ALLOC((void* *)&pWb35Rx->pDRx, MAX_USB_RX_BUFFER)) {
+	pWb35Rx->pDRx = kzalloc(MAX_USB_RX_BUFFER, GFP_ATOMIC);
+	if (!pWb35Rx->pDRx) {
 		printk("w35und: Rx memory alloc failed\n");
 		goto error;
 	}

drivers/staging/winbond/wblinux.c

@@ -10,16 +10,6 @@
 //============================================================================
 #include "os_common.h"
 
-u32
-WBLINUX_MemoryAlloc(void* *VirtualAddress, u32 Length)
-{
-	*VirtualAddress = kzalloc( Length, GFP_ATOMIC ); //GFP_KERNEL is not suitable
-
-	if (*VirtualAddress == NULL)
-		return 0;
-	return 1;
-}
-
 s32
 EncapAtomicInc(struct wb35_adapter * adapter, void* pAtomic)
 {

drivers/staging/winbond/wblinux_f.h

@@ -3,7 +3,6 @@
 //
 // wblinux_f.h
 //
-u32 WBLINUX_MemoryAlloc(  void* *VirtualAddress,  u32 Length );
 s32 EncapAtomicInc(  struct wb35_adapter *adapter,  void* pAtomic );
 s32 EncapAtomicDec(  struct wb35_adapter *adapter,  void* pAtomic );
 void WBLinux_ReceivePacket(  struct wb35_adapter *adapter,  PRXLAYER1 pRxLayer1 );