ACPI video: Ignore errors after _DOD evaluation.

commit fba4e087361605d1eed63343bb08811f097c83ee upstream.

There are systems where video module known to work fine regardless
of broken _DOD and ignoring returned value here doesn't cause
any issues later. This should fix brightness controls on some laptops.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=47861

Signed-off-by: Igor Murzov <e-mail@date.by>
Reviewed-by: Sergey V <sftp.mtuci@gmail.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Abdallah Chatila <abdallah.chatila@ericsson.com>

diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 1e0a9e17c31d805a201e8dbcbf7933efe8eec111..9fe26597e2a6c3e23e642a3cf24b24c28a22a8f8 100644 (file)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1345,12 +1345,15 @@ static int
 acpi_video_bus_get_devices(struct acpi_video_bus *video,
                           struct acpi_device *device)
 {
-       int status;
+       int status = 0;
        struct acpi_device *dev;
 
-       status = acpi_video_device_enumerate(video);
-       if (status)
-               return status;
+       /*
+        * There are systems where video module known to work fine regardless
+        * of broken _DOD and ignoring returned value here doesn't cause
+        * any issues later.
+        */
+       acpi_video_device_enumerate(video);
 
        list_for_each_entry(dev, &device->children, node) {