linux-kernel - [PATCH] PCI/alpha: use kobj_to

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Message-Id: <49691094601fdc2cfe200b8a291a5230a58cf6d6.1452094358.git.geliangtang@163.com>
Date:	Wed,  6 Jan 2016 23:35:16 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Richard Henderson <rth@...ddle.net>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Matt Turner <mattst88@...il.com>
Cc:	Geliang Tang <geliangtang@....com>, linux-alpha@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] PCI/alpha: use kobj_to_dev()

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 arch/alpha/kernel/pci-sysfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 99e8d47..bba09eb 100644
--- a/arch/alpha/kernel/pci-sysfs.c
+++ b/arch/alpha/kernel/pci-sysfs.c
@@ -64,8 +64,7 @@ static int pci_mmap_resource(struct kobject *kobj,
 			     struct bin_attribute *attr,
 			     struct vm_area_struct *vma, int sparse)
 {
-	struct pci_dev *pdev = to_pci_dev(container_of(kobj,
-						       struct device, kobj));
+	struct pci_dev *pdev = to_pci_dev(kobj_to_dev(kobj));
 	struct resource *res = attr->private;
 	enum pci_mmap_state mmap_type;
 	struct pci_bus_region bar;
-- 
2.5.0


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