From: Matthew Garrett Date: Mon, 28 Mar 2011 12:46:02 +0000 (+0000) Subject: acpi: Remove sysfs_create_link from video driver X-Git-Tag: firefly_0821_release~7613^2~1753 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=445aef374594207b278477dfd98fc5d1498d353a;p=firefly-linux-kernel-4.4.55.git acpi: Remove sysfs_create_link from video driver The acpi video driver attempts to explicitly create a sysfs link between the acpi device and the associated PCI device. However, we're now also doing this from the backlight core, which means that we get a backtrace caused by a duplicate file. Remove the code and leave it up to the backlight core. Reported-by: Jeff Chua Signed-off-by: Matthew Garrett Acked-by: Rafael J. Wysocki Tested-by: Alessandro Suardi Signed-off-by: Linus Torvalds --- diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index a18e497f1c3c..31e9e10f657e 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -824,11 +824,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) device->backlight->props.brightness = acpi_video_get_brightness(device->backlight); - result = sysfs_create_link(&device->backlight->dev.kobj, - &device->dev->dev.kobj, "device"); - if (result) - printk(KERN_ERR PREFIX "Create sysfs link\n"); - device->cooling_dev = thermal_cooling_device_register("LCD", device->dev, &video_cooling_ops); if (IS_ERR(device->cooling_dev)) { @@ -1381,7 +1376,6 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) "Cant remove video notify handler\n"); } if (device->backlight) { - sysfs_remove_link(&device->backlight->dev.kobj, "device"); backlight_device_unregister(device->backlight); device->backlight = NULL; }