drm: fix writing to /sys/class/drm/*/status

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / drm_sysfs.c

diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index ffc305fc20768c29af6883eeb2d70553839cfa6e..eb7e61078a5b6f1088489b49b42b32abe8ffca42 100644 (file)
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -217,7 +217,7 @@ static ssize_t status_store(struct device *device,
 
        mutex_unlock(&dev->mode_config.mutex);
 
-       return ret;
+       return ret ? ret : count;
 }
 
 static ssize_t status_show(struct device *device,