dell-laptop: fix to return error code in dell_send_intensity()

Fix to return error code instead always return 0 from function
dell_send_intensity().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index c608b1d..9d7d6a0 100644 (file)
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -684,7 +684,7 @@ static int dell_send_intensity(struct backlight_device *bd)
 
 out:
        release_buffer();
-       return 0;
+       return ret;
 }
 
 static int dell_get_intensity(struct backlight_device *bd)