linux-kernel - [PATCH] pci: remove unused res in pci_resource

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Date:   Thu, 13 Jul 2017 18:49:40 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>, <linux-kernel@...r.kernel.org>
CC:     David Woodhouse <dwmw@...zon.co.uk>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH] pci: remove unused res in pci_resource_io

After commit dca40b186b75 ("PCI: Use BAR index in sysfs attr->private
instead of resource pointer"), no need res variable, kill it.

Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/pci/pci-sysfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 2f3780b..0e43705 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -1211,11 +1211,8 @@ static ssize_t pci_resource_io(struct file *filp, struct kobject *kobj,
 {
 	struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
 	int bar = (unsigned long)attr->private;
-	struct resource *res;
 	unsigned long port = off;
 
-	res = &pdev->resource[bar];
-
 	port += pci_resource_start(pdev, bar);
 
 	if (port > pci_resource_end(pdev, bar))
-- 
1.8.3.1