Files
linux/include/linux
Bjorn Helgaas 8e9028b379 PCI: Return NULL for to_pci_driver(NULL)
to_pci_driver() takes a pointer to a struct device_driver and uses
container_of() to find the struct pci_driver that contains it.

If given a NULL pointer to a struct device_driver, return a NULL pci_driver
pointer instead of applying container_of() to NULL.

This simplifies callers that would otherwise have to check for a NULL
pointer first.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-10-12 17:37:15 -05:00
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