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[V3,3/9] powerpc/pci: remove PCI devices in reverse order

Message ID 1430723258-21299-4-git-send-email-weiyang@linux.vnet.ibm.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Wei Yang May 4, 2015, 7:07 a.m. UTC 
As commit ac205b7b ("PCI: make sriov work with hotplug remove") indicates,
when removing PCI devices on a bus which has VFs, we need to remove them
in the reverse order.

This patch applies this pattern to the hotplug removal code for the powerpc
arch.

Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com>
Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
---
 arch/powerpc/kernel/pci-hotplug.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/kernel/pci-hotplug.c b/arch/powerpc/kernel/pci-hotplug.c
index 7ed85a6..98f84ed 100644
--- a/arch/powerpc/kernel/pci-hotplug.c
+++ b/arch/powerpc/kernel/pci-hotplug.c
@@ -50,7 +50,7 @@  void pcibios_remove_pci_devices(struct pci_bus *bus)
 
 	pr_debug("PCI: Removing devices on bus %04x:%02x\n",
 		 pci_domain_nr(bus),  bus->number);
-	list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) {
+	list_for_each_entry_safe_reverse(dev, tmp, &bus->devices, bus_list) {
 		pr_debug("   Removing %s...\n", pci_name(dev));
 		pci_stop_and_remove_bus_device(dev);
 	}