From: Yijing Wang <wangyij...@huawei.com>
Function acpiphp_sanitize_bus() may call pci_stop_and_remove_bus_device(),
which in turn may remove device from bus->devices list. So walk the
bus->devices list with list_for_each_entry_safe().
Signed-off-by: Yijing Wang <wangyij...@huawei.com>
Signed-off-by: Jiang Liu <jiang....@huawei.com>
Cc: Yinghai Lu <ying...@kernel.org>
Cc: "Rafael J. Wysocki" <rafael.j.wyso...@intel.com>
Cc: Toshi Kani <toshi.k...@hp.com>
Cc: linux-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
drivers/pci/hotplug/acpiphp_glue.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/pci/hotplug/acpiphp_glue.c
b/drivers/pci/hotplug/acpiphp_glue.c
index 270fdba..7948bc9 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1082,11 +1082,11 @@ static void acpiphp_set_hpp_values(struct pci_bus *bus)
*/
static void acpiphp_sanitize_bus(struct pci_bus *bus)
{
- struct pci_dev *dev;
+ struct pci_dev *dev, *tmp;
int i;
unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM;
- list_for_each_entry(dev, &bus->devices, bus_list) {
+ list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
for (i=0; i<PCI_BRIDGE_RESOURCES; i++) {
struct resource *res = &dev->resource[i];
if ((res->flags & type_mask) && !res->start &&
--
1.7.9.5
--
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