[ACPI] fix potential NULL dereference in acpi/video.c
Found-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 71fa101..b3b352b 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1585,7 +1585,7 @@
ACPI_FUNCTION_TRACE("acpi_video_switch_output");
list_for_each_safe(node, next, &video->video_device_list) {
- struct acpi_video_device * dev = container_of(node, struct acpi_video_device, entry);
+ dev = container_of(node, struct acpi_video_device, entry);
status = acpi_video_device_get_state(dev, &state);
if (state & 0x2){
dev_next = container_of(node->next, struct acpi_video_device, entry);