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authorYueHaibing <yuehaibing@huawei.com>2019-07-24 17:08:50 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-08-25 11:52:59 +0300
commit4590398b50fba99e3787f07888f020e93c57fb3b (patch)
tree724e734f8b6d61ec7d6f6719bb61a855473b6801
parent98ed73a2820031feda0930c86005595a271f9be0 (diff)
downloadlinux-4590398b50fba99e3787f07888f020e93c57fb3b.tar.xz
xen/pciback: remove set but not used variable 'old_state'
[ 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@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> Signed-off-by: Sasha Levin <sashal@kernel.org>
-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 7f83e9083e9d..b1a1d7de0894 100644
--- a/drivers/xen/xen-pciback/conf_space_capability.c
+++ b/drivers/xen/xen-pciback/conf_space_capability.c
@@ -115,13 +115,12 @@ 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;