It is never used and introduces a compile warning: drivers/pci/pci-sysfs.c: In function 'pci_resource_io': drivers/pci/pci-sysfs.c:1214:19: warning: variable 'res' set but not used [-Wunused-but-set-variable] Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx> --- 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)) -- 1.9.1