Re: [parisc-linux] [PATCH 2/2] Make pcibios_add_platform_entries() return errors

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On Tue, 2007-03-06 at 16:06 +0100, Michael Ellerman wrote:
>  int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
> @@ -644,10 +644,13 @@ int __must_check pci_create_sysfs_dev_fi
>  		}
>  	}
>  	/* add platform-specific attributes */
> -	pcibios_add_platform_entries(pdev);
> +	if (pcibios_add_platform_entries(pdev))
> +		goto err_rom_attr;
>  
>  	return 0;
>  
> +err_rom_attr:
> +	sysfs_remove_bin_file(&pdev->dev.kobj, rom_attr);

This file is only created if the rom resource has a non-zero length.  If
you unconditionally call sysfs_remove_bin_file() it's going to spit
scary warnings and dump traces in this error leg if the rom resource
doesn't exist.

James


>  err_rom:
>  	kfree(rom_attr);
>  err_bin_file:
> Index: msi-new/include/linux/pci.h
> ===================================================================
> --- msi-new.orig/include/linux/pci.h
> +++ msi-new/include/linux/pci.h
> @@ -857,7 +857,7 @@ 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 */
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> http://lists.parisc-linux.org/mailman/listinfo/parisc-linux



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