linux-kernel - [PATCH] drivers:hv: fix resource

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Date:	Sat, 2 Apr 2016 06:17:10 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Jake Oshins <jakeo@...rosoft.com>
Cc:	kbuild-all@...org, linux-pci@...r.kernel.org,
	gregkh@...uxfoundation.org, kys@...rosoft.com,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	olaf@...fle.de, apw@...onical.com, vkuznets@...hat.com,
	haiyangz@...rosoft.com, haddenh@...rosoft.com,
	Jake Oshins <jakeo@...rosoft.com>
Subject: [PATCH] drivers:hv: fix resource_size.cocci warnings

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@...rosoft.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.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;
 		}