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PCI: Remove unused variables

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This fixes "set but not used" warnings found via "make W=1".

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2013-04-12 11:18:01 -06:00
parent c3139ba212
commit b638d7e7b8
3 changed files with 5 additions and 16 deletions
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2
drivers/pci/hotplug/pci_hotplug_core.c
View File

@ -520,10 +520,8 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
int __must_check pci_hp_change_slot_info(struct hotplug_slot *hotplug,
struct hotplug_slot_info *info)
{
struct pci_slot *slot;
if (!hotplug || !info)
return -ENODEV;
slot = hotplug->pci_slot;
memcpy(hotplug->info, info, sizeof(struct hotplug_slot_info));

17
drivers/pci/pcie/portdrv_pci.c
View File

@ -272,11 +272,9 @@ static pci_ers_result_t pcie_portdrv_error_detected(struct pci_dev *dev,
enum pci_channel_state error)
{
struct aer_broadcast_data data = {error, PCI_ERS_RESULT_CAN_RECOVER};
int ret;
/* can not fail */
ret = device_for_each_child(&dev->dev, &data, error_detected_iter);
/* get true return value from &data */
device_for_each_child(&dev->dev, &data, error_detected_iter);
return data.result;
}
@ -308,10 +306,9 @@ static int mmio_enabled_iter(struct device *device, void *data)
static pci_ers_result_t pcie_portdrv_mmio_enabled(struct pci_dev *dev)
{
pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
int retval;
/* get true return value from &status */
retval = device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
return status;
}
@ -343,7 +340,6 @@ static int slot_reset_iter(struct device *device, void *data)
static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
{
pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
int retval;
/* If fatal, restore cfg space for possible link reset at upstream */
if (dev->error_state == pci_channel_io_frozen) {
@ -354,8 +350,7 @@ static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
}
/* get true return value from &status */
retval = device_for_each_child(&dev->dev, &status, slot_reset_iter);
device_for_each_child(&dev->dev, &status, slot_reset_iter);
return status;
}
@ -381,9 +376,7 @@ static int resume_iter(struct device *device, void *data)
static void pcie_portdrv_err_resume(struct pci_dev *dev)
{
int retval;
/* nothing to do with error value, if it ever happens */
retval = device_for_each_child(&dev->dev, NULL, resume_iter);
device_for_each_child(&dev->dev, NULL, resume_iter);
}
/*

2
drivers/pci/setup-res.c
View File

@ -261,7 +261,6 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
{
struct resource *res = dev->resource + resno;
resource_size_t align, size;
struct pci_bus *bus;
int ret;
align = pci_resource_alignment(dev, res);
@ -271,7 +270,6 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
return -EINVAL;
}
bus = dev->bus;
size = resource_size(res);
ret = _pci_assign_resource(dev, resno, size, align);