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PCI: Make pcibios_add_platform_entries() return errors

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Currently pcibios_add_platform_entries() returns void, but could fail,
so instead have it return an int and propagate errors up to
pci_create_sysfs_dev_files().

Fixes:
arch/powerpc/kernel/pci_64.c: In function 'pcibios_add_platform_entries':
arch/powerpc/kernel/pci_64.c:878: warning: ignoring return value of
	'device_create_file', declared with attribute warn_unused_result
arch/powerpc/kernel/pci_32.c: In function 'pcibios_add_platform_entries':
  arch/powerpc/kernel/pci_32.c:1043: warning: ignoring return value of
	'device_create_file', declared with attribute warn_unused_result

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Ellerman 2007-05-08 12:03:08 +10:00 committed by Greg Kroah-Hartman
parent 575e3348cb
commit a2cd52ca90
4 changed files with 12 additions and 8 deletions
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4
arch/powerpc/kernel/pci_32.c
View file

@ -1047,10 +1047,10 @@ void pcibios_make_OF_bus_map(void)
#endif /* CONFIG_PPC_OF */
/* Add sysfs properties */
void pcibios_add_platform_entries(struct pci_dev *pdev)
int pcibios_add_platform_entries(struct pci_dev *pdev)
{
#ifdef CONFIG_PPC_OF
device_create_file(&pdev->dev, &dev_attr_devspec);
return device_create_file(&pdev->dev, &dev_attr_devspec);
#endif /* CONFIG_PPC_OF */
}

4
arch/powerpc/kernel/pci_64.c
View file

@ -876,9 +876,9 @@ static ssize_t pci_show_devspec(struct device *dev,
}
static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
void pcibios_add_platform_entries(struct pci_dev *pdev)
int pcibios_add_platform_entries(struct pci_dev *pdev)
{
device_create_file(&pdev->dev, &dev_attr_devspec);
return device_create_file(&pdev->dev, &dev_attr_devspec);
}
#define ISA_SPACE_MASK 0x1

10
drivers/pci/pci-sysfs.c
View file

@ -600,9 +600,9 @@ static struct bin_attribute pcie_config_attr = {
.write = pci_write_config,
};
void __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
int __attribute__ ((weak)) pcibios_add_platform_entries(struct pci_dev *dev)
{
return;
return 0;
}
int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
@ -645,10 +645,14 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
}
}
/* add platform-specific attributes */
pcibios_add_platform_entries(pdev);
if (pcibios_add_platform_entries(pdev))
goto err_rom_file;
return 0;
err_rom_file:
if (pci_resource_len(pdev, PCI_ROM_RESOURCE))
sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr);
err_rom:
kfree(rom_attr);
err_resource_files:

2
include/linux/pci.h
View file

@ -881,7 +881,7 @@ extern int pci_pci_problems;
extern unsigned long pci_cardbus_io_size;
extern unsigned long pci_cardbus_mem_size;
extern void pcibios_add_platform_entries(struct pci_dev *dev);
extern int pcibios_add_platform_entries(struct pci_dev *dev);
#endif /* __KERNEL__ */
#endif /* LINUX_PCI_H */