PCI/sysfs: move bus cpuaffinity to class dev_attrs

Requested by Greg KH to fix a race condition in the creating of PCI bus
cpuaffinity files.

Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

1 files changed, 0 insertions, 42 deletions

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index c471295..48849ff 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -43,43 +43,6 @@ int no_pci_devices(void)
 EXPORT_SYMBOL(no_pci_devices);
 
 /*
- * PCI Bus Class Devices
- */
-static ssize_t pci_bus_show_cpuaffinity(struct device *dev,
-					int type,
-					struct device_attribute *attr,
-					char *buf)
-{
-	int ret;
-	const struct cpumask *cpumask;
-
-	cpumask = cpumask_of_pcibus(to_pci_bus(dev));
-	ret = type?
-		cpulist_scnprintf(buf, PAGE_SIZE-2, cpumask) :
-		cpumask_scnprintf(buf, PAGE_SIZE-2, cpumask);
-	buf[ret++] = '\n';
-	buf[ret] = '\0';
-	return ret;
-}
-
-static ssize_t inline pci_bus_show_cpumaskaffinity(struct device *dev,
-					struct device_attribute *attr,
-					char *buf)
-{
-	return pci_bus_show_cpuaffinity(dev, 0, attr, buf);
-}
-
-static ssize_t inline pci_bus_show_cpulistaffinity(struct device *dev,
-					struct device_attribute *attr,
-					char *buf)
-{
-	return pci_bus_show_cpuaffinity(dev, 1, attr, buf);
-}
-
-DEVICE_ATTR(cpuaffinity,     S_IRUGO, pci_bus_show_cpumaskaffinity, NULL);
-DEVICE_ATTR(cpulistaffinity, S_IRUGO, pci_bus_show_cpulistaffinity, NULL);
-
-/*
  * PCI Bus Class
  */
 static void release_pcibus_dev(struct device *dev)
@@ -1456,9 +1419,6 @@ struct pci_bus * pci_create_bus(struct device *parent,
 	error = device_register(&b->dev);
 	if (error)
 		goto class_dev_reg_err;
-	error = device_create_file(&b->dev, &dev_attr_cpuaffinity);
-	if (error)
-		goto dev_create_file_err;
 
 	/* Create legacy_io and legacy_mem files for this bus */
 	pci_create_legacy_files(b);
@@ -1469,8 +1429,6 @@ struct pci_bus * pci_create_bus(struct device *parent,
 
 	return b;
 
-dev_create_file_err:
-	device_unregister(&b->dev);
 class_dev_reg_err:
 	device_unregister(dev);
 dev_reg_err: