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Commit 625e1d59 authored by Yinghai Lu's avatar Yinghai Lu Committed by Bjorn Helgaas
Browse files

PCI: Use is_visible() with boot_vga attribute for pci_dev 



Should make pci_create_sysfs_dev_files() simpler.  Also fix possible
memleak in remove path.

Signed-off-by: default avatarYinghai Lu <yinghai@kernel.org>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 4e15c46b

drivers/pci/pci-sysfs.c

+10 −11
Original line number Diff line number Diff line
@@ -1303,29 +1303,20 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) 
		pdev->rom_attr = attr;

	}



	if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA) {

		retval = device_create_file(&pdev->dev, &vga_attr);

		if (retval)

			goto err_rom_file;

	}



	/* add platform-specific attributes */

	retval = pcibios_add_platform_entries(pdev);

	if (retval)

		goto err_vga_file;

		goto err_rom_file;



	/* add sysfs entries for various capabilities */

	retval = pci_create_capabilities_sysfs(pdev);

	if (retval)

		goto err_vga_file;

		goto err_rom_file;



	pci_create_firmware_label_files(pdev);



	return 0;



err_vga_file:

	if ((pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA)

		device_remove_file(&pdev->dev, &vga_attr);

err_rom_file:

	if (rom_size) {

		sysfs_remove_bin_file(&pdev->dev.kobj, pdev->rom_attr);
@@ -1413,12 +1404,20 @@ static int __init pci_sysfs_init(void) 
late_initcall(pci_sysfs_init);



static struct attribute *pci_dev_dev_attrs[] = {

	&vga_attr.attr,

	NULL,

};



static umode_t pci_dev_attrs_are_visible(struct kobject *kobj,

						struct attribute *a, int n)

{

	struct device *dev = container_of(kobj, struct device, kobj);

	struct pci_dev *pdev = to_pci_dev(dev);



	if (a == &vga_attr.attr)

		if ((pdev->class >> 8) != PCI_CLASS_DISPLAY_VGA)

			return 0;



	return a->mode;

}