diff options
| -rw-r--r-- | drivers/pci/bus.c | 6 | ||||
| -rw-r--r-- | include/linux/pci.h | 1 |
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) |