[ Upstream commit 09e088a4903bd0dd911b4f1732b250130cdaffed ]
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@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/xen/xen-pciback/conf_space_capability.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c
index 73427d8e01161..e5694133ebe57 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;
--
2.20.1
