PCI: hv: Remove unnecessary type casting from kzalloc

In C, there is no need to cast a void * to any other pointer type,
remove an unnecessary cast.

Signed-off-by: Dexuan Cui <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Reviewed-by: Michael Kelley <[email protected]>

drivers/pci/controller/pci-hyperv.c

@@ -2922,7 +2922,7 @@ static int hv_pci_probe(struct hv_device *hdev,
 	 * positive by using kmemleak_alloc() and kmemleak_free() to ask
 	 * kmemleak to track and scan the hbus buffer.
 	 */
-	hbus = (struct hv_pcibus_device *)kzalloc(HV_HYP_PAGE_SIZE, GFP_KERNEL);
+	hbus = kzalloc(HV_HYP_PAGE_SIZE, GFP_KERNEL);
 	if (!hbus)
 		return -ENOMEM;
 	hbus->state = hv_pcibus_init;