Messages in this thread Patch in this message | | | From | Jiang Liu <> | Subject | [PATCH 3/5] Fix an access-after-free issue in function pci_stop_and_remove_bus() | Date | Mon, 12 Mar 2012 01:48:27 +0800 |
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If pci_stop_and_remove_bus() is called to remove a pci root bus, the host_bridge structure may have already been freed after returning from pci_remove_bus(), so don't access the structure any more.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com> --- 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 75b0092..25f368e 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -194,9 +194,6 @@ void pci_stop_and_remove_bus(struct pci_bus *bus) pci_remove_bus(bus); - if (host_bridge) - host_bridge->bus = NULL; - if (pci_bridge) pci_bridge->subordinate = NULL; } -- 1.7.5.4
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