Staging: hv: remove OnEventDpc vmbus_driver callback

It's only ever set to one function, so just call that function instead.

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

drivers/staging/hv/vmbus.c

@@ -166,9 +166,9 @@ void vmbus_on_msg_dpc(struct hv_driver *drv)
 }
 
 /*
- * VmbusOnEventDPC - DPC routine to handle events from the hypervisior
+ * vmbus_on_event_dpc - DPC routine to handle events from the hypervisior
  */
-static void VmbusOnEventDPC(struct hv_driver *drv)
+void vmbus_on_event_dpc(struct hv_driver *drv)
 {
 	/* TODO: Process any events */
 	VmbusOnEvents();
@@ -235,7 +235,6 @@ int VmbusInitialize(struct hv_driver *drv)
 	driver->Base.OnDeviceAdd	= VmbusOnDeviceAdd;
 	driver->Base.OnDeviceRemove	= VmbusOnDeviceRemove;
 	driver->Base.OnCleanup		= VmbusOnCleanup;
-	driver->OnEventDpc		= VmbusOnEventDPC;
 	driver->GetChannelOffers	= VmbusGetChannelOffers;
 
 	/* Hypervisor initialization...setup hypercall page..etc */

drivers/staging/hv/vmbus_api.h

@@ -126,12 +126,12 @@ struct vmbus_driver {
 				struct hv_device *ChildDevice);
 
 	/* Set by the callee */
-	void (*OnEventDpc)(struct hv_driver *driver);
 	void (*GetChannelOffers)(void);
 };
 
 int VmbusInitialize(struct hv_driver *drv);
 int vmbus_on_isr(struct hv_driver *drv);
 void vmbus_on_msg_dpc(struct hv_driver *drv);
+void vmbus_on_event_dpc(struct hv_driver *drv);
 
 #endif /* _VMBUS_API_H_ */

drivers/staging/hv/vmbus_drv.c

@@ -860,10 +860,8 @@ static void vmbus_event_dpc(unsigned long data)
 {
 	struct vmbus_driver *vmbus_drv_obj = (struct vmbus_driver *)data;
 
-	/* ASSERT(vmbus_drv_obj->OnEventDpc != NULL); */
-
 	/* Call to bus driver to handle interrupt */
-	vmbus_drv_obj->OnEventDpc(&vmbus_drv_obj->Base);
+	vmbus_on_event_dpc(&vmbus_drv_obj->Base);
 }
 
 static irqreturn_t vmbus_isr(int irq, void *dev_id)