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authorBjorn Helgaas <bhelgaas@google.com>2012-08-16 21:12:38 -0600
committerBjorn Helgaas <bhelgaas@google.com>2012-08-22 11:34:38 -0600
commita7479d74460a4873b73534aa89cb82ab70ff8a32 (patch)
tree973c026fc25f741f5d78a26c10c2e5c5127228a7 /drivers/pci/remove.c
parentd563e2ccc8adb1385da42e6077736ba6854117bb (diff)
downloadblackbird-op-linux-a7479d74460a4873b73534aa89cb82ab70ff8a32.tar.gz
blackbird-op-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/remove.c')
-rw-r--r--drivers/pci/remove.c3
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);
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