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Commit caf420c6 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

ACPI: pci_root: use driver data rather than list lookup 



There's no need to search the list to find the acpi_pci_root
structure.  We saved it as device->driver_data when we added
the device.

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent f5eebbe1

drivers/acpi/pci_root.c

+4 −17
Original line number Diff line number Diff line
@@ -497,30 +497,17 @@ end: 


static int acpi_pci_root_start(struct acpi_device *device)

{

	struct acpi_pci_root *root;



	struct acpi_pci_root *root = acpi_driver_data(device);



	list_for_each_entry(root, &acpi_pci_roots, node) {

		if (root->device == device) {

	pci_bus_add_devices(root->bus);

	return 0;

}

	}

	return -ENODEV;

}



static int acpi_pci_root_remove(struct acpi_device *device, int type)

{

	struct acpi_pci_root *root = NULL;





	if (!device || !acpi_driver_data(device))

		return -EINVAL;



	root = acpi_driver_data(device);

	struct acpi_pci_root *root = acpi_driver_data(device);



	kfree(root);



	return 0;

}