Some PCI devices will lock up if we attempt to read from VPD addresses beyond some device-dependent limit. Until we can identify these devices and adjust the file size accordingly, only let root read VPD through sysfs. Signed-off-by: Ben Hutchings <bhutchings@xxxxxxxxxxxxxx> --- Jesse, Please either apply this or revert 94e6108803469a37ee1e3c92dafdd1d59298602f for 2.6.26. Ben. diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 6f3c744..1f855f0 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -738,7 +738,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) pdev->vpd->attr = attr; attr->size = pdev->vpd->ops->get_size(pdev); attr->attr.name = "vpd"; - attr->attr.mode = S_IRUGO | S_IWUSR; + attr->attr.mode = S_IRUSR | S_IWUSR; attr->read = pci_read_vpd; attr->write = pci_write_vpd; retval = sysfs_create_bin_file(&pdev->dev.kobj, attr); -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
