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authorIngo Molnar <mingo@elte.hu>2009-09-06 06:11:38 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-06 06:11:42 +0200
commited011b22ce567eabefa9ea571d3721c10ecd0553 (patch)
treec7aee6684613075c772388a99a9137014549434e /drivers/acpi/video.c
parent85bac32c4a52c592b857f2c360cc5ec93a097d70 (diff)
parente07cccf4046978df10f2e13fe2b99b2f9b3a65db (diff)
Merge commit 'v2.6.31-rc9' into tracing/core
Merge reason: move from -rc5 to -rc9. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/acpi/video.c')
-rw-r--r--drivers/acpi/video.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 8851315ce85..60ea984c84a 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -2004,8 +2004,11 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device)
status = acpi_remove_notify_handler(device->dev->handle,
ACPI_DEVICE_NOTIFY,
acpi_video_device_notify);
- sysfs_remove_link(&device->backlight->dev.kobj, "device");
- backlight_device_unregister(device->backlight);
+ if (device->backlight) {
+ sysfs_remove_link(&device->backlight->dev.kobj, "device");
+ backlight_device_unregister(device->backlight);
+ device->backlight = NULL;
+ }
if (device->cdev) {
sysfs_remove_link(&device->dev->dev.kobj,
"thermal_cooling");