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| author | Yu Zhao <yu.zhao@intel.com> | 2009-01-28 18:27:21 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@hobbes.lan> | 2009-03-19 19:29:26 -0700 |
| commit | 2b56313448bb8efad3af19f211d988c8352ac04d (patch) | |
| tree | 6142ea40139dc49348111b688c349e133a1fe667 /drivers/pci/remove.c | |
| parent | 11df1f05514beaf0269484191007dbc8d47e0e6f (diff) | |
| download | linux-0-day-2b56313448bb8efad3af19f211d988c8352ac04d.tar.gz linux-0-day-2b56313448bb8efad3af19f211d988c8352ac04d.tar.xz | |
PCI: check if a bus is added when removing it
When removing a bus, 'is_added' should be checked to make sure the
bus has been successfully added by pci_bus_add_child() who will sets
'is_added'.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/remove.c')
| -rw-r--r-- | drivers/pci/remove.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index 042e08924421b..caf8e1eae45e5 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -71,6 +71,9 @@ void pci_remove_bus(struct pci_bus *pci_bus) down_write(&pci_bus_sem); list_del(&pci_bus->node); up_write(&pci_bus_sem); + if (!pci_bus->is_added) + return; + pci_remove_legacy_files(pci_bus); device_remove_file(&pci_bus->dev, &dev_attr_cpuaffinity); device_remove_file(&pci_bus->dev, &dev_attr_cpulistaffinity); |