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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-02-06 23:07:55 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-02-06 23:07:55 +0100
commit93e73711134efabe020ac8385a89c57b15255f9e (patch)
tree25ab1ce4a3c9a66a1f2cd240d9f28ababe4f8070 /drivers
parentaf9d8adc6b832003bbe3d83fde665ae6b4f072eb (diff)
parent8fcfb99c8e29c73dd8945b6105ef54ca4eeb171e (diff)
Merge branches 'acpi-pci-hotplug' and 'acpi-hotplug'
* acpi-pci-hotplug: ACPI / hotplug / PCI: Fix bridge removal race vs dock events ACPI / hotplug / PCI: Fix bridge removal race in handle_hotplug_event() ACPI / hotplug / PCI: Scan root bus under the PCI rescan-remove lock ACPI / hotplug / PCI: Move PCI rescan-remove locking to hotplug_event() ACPI / hotplug / PCI: Remove entries from bus->devices in reverse order * acpi-hotplug: ACPI / hotplug: Fix panic on eject to ejected device
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/scan.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 7384158c7f87..57b053f424d1 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -484,7 +484,6 @@ static void acpi_device_hotplug(void *data, u32 src)
static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
{
u32 ost_code = ACPI_OST_SC_NON_SPECIFIC_FAILURE;
- struct acpi_scan_handler *handler = data;
struct acpi_device *adev;
acpi_status status;
@@ -500,7 +499,10 @@ static void acpi_hotplug_notify_cb(acpi_handle handle, u32 type, void *data)
break;
case ACPI_NOTIFY_EJECT_REQUEST:
acpi_handle_debug(handle, "ACPI_NOTIFY_EJECT_REQUEST event\n");
- if (!handler->hotplug.enabled) {
+ if (!adev->handler)
+ goto err_out;
+
+ if (!adev->handler->hotplug.enabled) {
acpi_handle_err(handle, "Eject disabled\n");
ost_code = ACPI_OST_SC_EJECT_NOT_SUPPORTED;
goto err_out;