alpha: use kobj_to_dev()
Use kobj_to_dev() instead of open-coding it.
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
diff --git a/arch/alpha/kernel/pci-sysfs.c b/arch/alpha/kernel/pci-sysfs.c
index 652449e..cbecd52 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;