Staging: hv: netvsc: call vmbus_sendpacket_pagebuffer directly

Don't do the interface indirection, it's not needed at all.

Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/hv/netvsc.c b/drivers/staging/hv/netvsc.c
index db34013..71a8dba 100644
--- a/drivers/staging/hv/netvsc.c
+++ b/drivers/staging/hv/netvsc.c
@@ -912,12 +912,12 @@
 	sendMessage.Messages.Version1Messages.SendRNDISPacket.SendBufferSectionSize = 0;
 
 	if (Packet->PageBufferCount) {
-		ret = Device->Driver->VmbusChannelInterface.SendPacketPageBuffer(
-					Device, Packet->PageBuffers,
-					Packet->PageBufferCount,
-					&sendMessage,
-					sizeof(struct nvsp_message),
-					(unsigned long)Packet);
+		ret = vmbus_sendpacket_pagebuffer(Device->channel,
+						  Packet->PageBuffers,
+						  Packet->PageBufferCount,
+						  &sendMessage,
+						  sizeof(struct nvsp_message),
+						  (unsigned long)Packet);
 	} else {
 		ret = Device->Driver->VmbusChannelInterface.SendPacket(Device,
 				&sendMessage,