summaryrefslogtreecommitdiff
path: root/drivers/xen
diff options
context:
space:
mode:
authorYueHaibing <yuehaibing@huawei.com>2019-07-24 22:08:50 +0800
committerJuergen Gross <jgross@suse.com>2019-07-26 10:29:05 +0200
commit09e088a4903bd0dd911b4f1732b250130cdaffed (patch)
treeaea891a23e248825c62c7d2a25fe34d7504d1812 /drivers/xen
parenta1078e821b605813b63bf6bca414a85f804d5c66 (diff)
xen/pciback: remove set but not used variable 'old_state'
Fixes gcc '-Wunused-but-set-variable' warning: drivers/xen/xen-pciback/conf_space_capability.c: In function pm_ctrl_write: drivers/xen/xen-pciback/conf_space_capability.c:119:25: warning: variable old_state set but not used [-Wunused-but-set-variable] It is never used so can be removed. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/xen-pciback/conf_space_capability.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c
index 73427d8e0116..e5694133ebe5 100644
--- a/drivers/xen/xen-pciback/conf_space_capability.c
+++ b/drivers/xen/xen-pciback/conf_space_capability.c
@@ -116,13 +116,12 @@ static int pm_ctrl_write(struct pci_dev *dev, int offset, u16 new_value,
{
int err;
u16 old_value;
- pci_power_t new_state, old_state;
+ pci_power_t new_state;
err = pci_read_config_word(dev, offset, &old_value);
if (err)
goto out;
- old_state = (pci_power_t)(old_value & PCI_PM_CTRL_STATE_MASK);
new_state = (pci_power_t)(new_value & PCI_PM_CTRL_STATE_MASK);
new_value &= PM_OK_BITS;