Commit ff0387c3 authored by Markus Elfring's avatar Markus Elfring Committed by Bjorn Helgaas

PCI: Delete unnecessary NULL pointer checks

The functions pci_dev_put(), pci_pme_wakeup_bus(), and put_device() return
immediately if their argument is NULL.  Thus the test before the call is
not needed.

Remove these unnecessary tests.

This issue was detected by using the Coccinelle software.
Signed-off-by: default avatarMarkus Elfring <elfring@users.sourceforge.net>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent f114040e
......@@ -322,7 +322,6 @@ static void pci_acpi_wake_dev(struct work_struct *work)
pci_wakeup_event(pci_dev);
pm_runtime_resume(&pci_dev->dev);
if (pci_dev->subordinate)
pci_pme_wakeup_bus(pci_dev->subordinate);
}
......
......@@ -87,7 +87,6 @@ static void release_pcibus_dev(struct device *dev)
{
struct pci_bus *pci_bus = to_pci_bus(dev);
if (pci_bus->bridge)
put_device(pci_bus->bridge);
pci_bus_remove_resources(pci_bus);
pci_release_bus_of_node(pci_bus);
......
......@@ -271,7 +271,6 @@ static struct pci_dev *pci_get_dev_by_id(const struct pci_device_id *id,
match_pci_dev_by_id);
if (dev)
pdev = to_pci_dev(dev);
if (from)
pci_dev_put(from);
return pdev;
}
......
......@@ -596,7 +596,6 @@ static pci_ers_result_t pcifront_common_process(int cmd,
pcidev = pci_get_bus_and_slot(bus, devfn);
if (!pcidev || !pcidev->driver) {
dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n");
if (pcidev)
pci_dev_put(pcidev);
return result;
}
......
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