[PATCH] drivers:hv: fix resource_size.cocci warnings

[kbuild test robot]

drivers/hv/vmbus_drv.c:1099:15-18: ERROR: Missing resource_size with fb_mmio


 Use resource_size function on resource object
 instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

CC: Jake Oshins <jakeo at microsoft.com>
Signed-off-by: Fengguang Wu <fengguang.wu at intel.com>
---

 vmbus_drv.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1096,7 +1096,7 @@ static int vmbus_acpi_remove(struct acpi
 	if (hyperv_mmio) {
 		if (fb_mmio) {
 			__release_region(hyperv_mmio, fb_mmio->start,
-					 fb_mmio->end - fb_mmio->start + 1);
+					 resource_size(fb_mmio));
 			fb_mmio = NULL;
 		}