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| author | Bjorn Helgaas | 2012-08-17 05:12:38 +0200 |
|---|---|---|
| committer | Bjorn Helgaas | 2012-08-22 19:34:38 +0200 |
| commit | a7479d74460a4873b73534aa89cb82ab70ff8a32 (patch) | |
| tree | 973c026fc25f741f5d78a26c10c2e5c5127228a7 /drivers/pci | |
| parent | PCI: Rename local variables to conventional names (diff) | |
| download | kernel-qcow2-linux-a7479d74460a4873b73534aa89cb82ab70ff8a32.tar.gz kernel-qcow2-linux-a7479d74460a4873b73534aa89cb82ab70ff8a32.tar.xz kernel-qcow2-linux-a7479d74460a4873b73534aa89cb82ab70ff8a32.zip | |
PCI: Leave normal LIST_POISON in deleted list entries
list_del() already sets next/prev to LIST_POISON1/LIST_POISON2, so we
don't need to do anything special here to prevent further list accesses.
Tested-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/remove.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index c01bacad9fd9..4f9ca9162895 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -32,11 +32,8 @@ static void pci_stop_dev(struct pci_dev *dev) static void pci_destroy_dev(struct pci_dev *dev) { - /* Remove the device from the device lists, and prevent any further - * list accesses from this device */ down_write(&pci_bus_sem); list_del(&dev->bus_list); - dev->bus_list.next = dev->bus_list.prev = NULL; up_write(&pci_bus_sem); pci_free_resources(dev); |