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Rafael J. Wysocki authored
According to the changelog of commit 29ed1f29 (PCI: pciehp: Fix null pointer deref when hot-removing SR-IOV device) it is unsafe to walk the bus->devices list of a PCI bus and remove devices from it in direct order, because that may lead to NULL pointer dereferences related to virtual functions. For this reason, change all of the bus->devices list walks in acpiphp_glue.c during which devices may be removed to be carried out in reverse order. Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by:
Mika Westerberg <mika.westerberg@linux.intel.com>
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