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authorAlexander Chiang2009-06-10 19:55:45 +0000
committerLen Brown2009-06-17 23:22:16 -0400
commit97719a8726fe8d3ea12a85fbf4f514a915ba30ec (patch)
tree3cb4ef4498be5d22cddd93601e490f5be5e14a8c /drivers/acpi
parentd9efae3688addb15994c9ad9761dada6f988bc14 (diff)
ACPI: acpi_pci_unbind should clean up properly after acpi_pci_bind
In acpi_pci_bind, we set device->ops.bind and device->ops.unbind, but never clear them out. Signed-off-by: Alex Chiang <achiang@hp.com> Acked-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/pci_bind.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c
index 62cb383222f8..a205769f1d00 100644
--- a/drivers/acpi/pci_bind.c
+++ b/drivers/acpi/pci_bind.c
@@ -109,12 +109,15 @@ static int acpi_pci_unbind(struct acpi_device *device)
struct pci_dev *dev;
dev = acpi_get_pci_dev(device->handle);
- if (!dev)
- return 0;
+ if (!dev || !dev->subordinate)
+ goto out;
- if (dev->subordinate)
- acpi_pci_irq_del_prt(dev->subordinate);
+ acpi_pci_irq_del_prt(dev->subordinate);
+
+ device->ops.bind = NULL;
+ device->ops.unbind = NULL;
+out:
pci_dev_put(dev);
return 0;
}