PCI: Remove unused variables
This fixes "set but not used" warnings found via "make W=1". Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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c3139ba212
Коммит
b638d7e7b8
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@ -520,10 +520,8 @@ int pci_hp_deregister(struct hotplug_slot *hotplug)
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int __must_check pci_hp_change_slot_info(struct hotplug_slot *hotplug,
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struct hotplug_slot_info *info)
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{
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struct pci_slot *slot;
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if (!hotplug || !info)
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return -ENODEV;
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slot = hotplug->pci_slot;
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memcpy(hotplug->info, info, sizeof(struct hotplug_slot_info));
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@ -272,11 +272,9 @@ static pci_ers_result_t pcie_portdrv_error_detected(struct pci_dev *dev,
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enum pci_channel_state error)
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{
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struct aer_broadcast_data data = {error, PCI_ERS_RESULT_CAN_RECOVER};
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int ret;
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/* can not fail */
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ret = device_for_each_child(&dev->dev, &data, error_detected_iter);
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/* get true return value from &data */
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device_for_each_child(&dev->dev, &data, error_detected_iter);
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return data.result;
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}
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@ -308,10 +306,9 @@ static int mmio_enabled_iter(struct device *device, void *data)
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static pci_ers_result_t pcie_portdrv_mmio_enabled(struct pci_dev *dev)
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{
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pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
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int retval;
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/* get true return value from &status */
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retval = device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
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device_for_each_child(&dev->dev, &status, mmio_enabled_iter);
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return status;
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}
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@ -343,7 +340,6 @@ static int slot_reset_iter(struct device *device, void *data)
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static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
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{
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pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
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int retval;
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/* If fatal, restore cfg space for possible link reset at upstream */
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if (dev->error_state == pci_channel_io_frozen) {
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@ -354,8 +350,7 @@ static pci_ers_result_t pcie_portdrv_slot_reset(struct pci_dev *dev)
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}
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/* get true return value from &status */
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retval = device_for_each_child(&dev->dev, &status, slot_reset_iter);
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device_for_each_child(&dev->dev, &status, slot_reset_iter);
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return status;
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}
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@ -381,9 +376,7 @@ static int resume_iter(struct device *device, void *data)
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static void pcie_portdrv_err_resume(struct pci_dev *dev)
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{
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int retval;
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/* nothing to do with error value, if it ever happens */
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retval = device_for_each_child(&dev->dev, NULL, resume_iter);
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device_for_each_child(&dev->dev, NULL, resume_iter);
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}
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/*
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@ -261,7 +261,6 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
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{
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struct resource *res = dev->resource + resno;
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resource_size_t align, size;
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struct pci_bus *bus;
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int ret;
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align = pci_resource_alignment(dev, res);
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@ -271,7 +270,6 @@ int pci_assign_resource(struct pci_dev *dev, int resno)
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return -EINVAL;
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}
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bus = dev->bus;
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size = resource_size(res);
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ret = _pci_assign_resource(dev, resno, size, align);
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