| From | Greg Kroah-Hartman <> | Subject | [ 81/83] ACPI video: Ignore errors after _DOD evaluation. | Date | Wed, 21 Nov 2012 16:42:43 -0800 |
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3.6-stable review patch. If anyone has any objections, please let me know.
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From: Igor Murzov <e-mail@date.by>
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>
--- drivers/acpi/video.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
--- 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) {
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