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authorLinus Torvalds <torvalds@linux-foundation.org>2008-03-13 13:16:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-03-13 13:16:22 -0700
commitebe168d52c6255cfaf701b488e9e9ed0f548da19 (patch)
tree7f81320e09983d749bc38047857563f7fd269480
parentb15a3891c916f32a29832886a053a48be2741d4d (diff)
parentcc74d96f47b0d916840f92092595e3be9731e047 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI: fix issue with busses registering multiple times in sysfs
-rw-r--r--drivers/pci/bus.c6
-rw-r--r--include/linux/pci.h1
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6a9403d79e0..d708358326e 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -143,14 +143,18 @@ void pci_bus_add_devices(struct pci_bus *bus)
/* register the bus with sysfs as the parent is now
* properly registered. */
child_bus = dev->subordinate;
+ if (child_bus->is_added)
+ continue;
child_bus->dev.parent = child_bus->bridge;
retval = device_register(&child_bus->dev);
if (retval)
dev_err(&dev->dev, "Error registering pci_bus,"
" continuing...\n");
- else
+ else {
+ child_bus->is_added = 1;
retval = device_create_file(&child_bus->dev,
&dev_attr_cpuaffinity);
+ }
if (retval)
dev_err(&dev->dev, "Error creating cpuaffinity"
" file, continuing...\n");
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 38eff194775..9010f545876 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -278,6 +278,7 @@ struct pci_bus {
struct device dev;
struct bin_attribute *legacy_io; /* legacy I/O for this bus */
struct bin_attribute *legacy_mem; /* legacy mem */
+ unsigned int is_added:1;
};
#define pci_bus_b(n) list_entry(n, struct pci_bus, node)