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-rw-r--r--drivers/acpi/video.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 2020907921cc..aab385188599 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -997,8 +997,18 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
device->cdev = thermal_cooling_device_register("LCD",
device->dev, &video_cooling_ops);
- if (IS_ERR(device->cdev))
+ if (IS_ERR(device->cdev)) {
+ /*
+ * Set cdev to NULL so we don't crash trying to
+ * free it.
+ * Also, why the hell we are returning early and
+ * not attempt to register video output if cooling
+ * device registration failed?
+ * -- dtor
+ */
+ device->cdev = NULL;
return;
+ }
dev_info(&device->dev->dev, "registered as cooling_device%d\n",
device->cdev->id);