Staging: hv: osd: remove MemAllocAtomic wrapper

Use the "real" kmalloc call instead of a wrapper function.

Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/ChannelMgmt.c

@@ -143,13 +143,12 @@ VMBUS_CHANNEL* AllocVmbusChannel(void)
 {
 	VMBUS_CHANNEL* channel;
 
-	channel = (VMBUS_CHANNEL*) MemAllocAtomic(sizeof(VMBUS_CHANNEL));
+	channel = kzalloc(sizeof(VMBUS_CHANNEL), GFP_ATOMIC);
 	if (!channel)
 	{
 		return NULL;
 	}
 
-	memset(channel, 0,sizeof(VMBUS_CHANNEL));
 	channel->InboundLock = SpinlockCreate();
 	if (!channel->InboundLock)
 	{

drivers/staging/hv/Hv.c

@@ -414,7 +414,7 @@ HvPostMessage(
 		return -1;
 	}
 
-	addr = (unsigned long)MemAllocAtomic(sizeof(struct alignedInput));
+	addr = (unsigned long)kmalloc(sizeof(struct alignedInput), GFP_ATOMIC);
 
 	if (!addr)
 	{

drivers/staging/hv/NetVsc.c

@@ -1480,7 +1480,7 @@ NetVscOnChannelCallback(
 		}
 		else if (ret == -2) // Handle large packet
 		{
-			buffer = MemAllocAtomic(bytesRecvd);
+			buffer = kmalloc(bytesRecvd, GFP_ATOMIC);
 			if (buffer == NULL)
 			{
 				// Try again next time around

drivers/staging/hv/Vmbus.c

@@ -411,7 +411,7 @@ VmbusOnMsgDPC(
 		}
 		else
 		{
-			copied = MemAllocAtomic(sizeof(HV_MESSAGE));
+			copied = kmalloc(sizeof(HV_MESSAGE), GFP_ATOMIC);
 			if (copied == NULL)
 			{
 				continue;

drivers/staging/hv/include/osd.h

@@ -121,7 +121,6 @@ extern void PageFree(void* page, unsigned int count);
 extern void* MemMapIO(unsigned long phys, unsigned long size);
 extern void MemUnmapIO(void* virt);
 
-extern void* MemAllocAtomic(unsigned int size);
 extern void MemFree(void* buf);
 extern void MemoryFence(void);
 

drivers/staging/hv/osd.c

@@ -189,11 +189,6 @@ void PageUnmapVirtualAddress(void* VirtAddr)
 	kunmap_atomic(VirtAddr, KM_IRQ0);
 }
 
-void* MemAllocAtomic(unsigned int size)
-{
-	return kmalloc(size, GFP_ATOMIC);
-}
-
 void MemFree(void* buf)
 {
 	kfree(buf);