V4L/DVB (4741): {ov511,stv680}: handle sysfs errors
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/ov511.c b/drivers/media/video/ov511.c
index ce4886f..b4db2cb 100644
--- a/drivers/media/video/ov511.c
+++ b/drivers/media/video/ov511.c
@@ -5648,17 +5648,49 @@
}
static CLASS_DEVICE_ATTR(exposure, S_IRUGO, show_exposure, NULL);
-static void ov_create_sysfs(struct video_device *vdev)
+static int ov_create_sysfs(struct video_device *vdev)
{
- video_device_create_file(vdev, &class_device_attr_custom_id);
- video_device_create_file(vdev, &class_device_attr_model);
- video_device_create_file(vdev, &class_device_attr_bridge);
- video_device_create_file(vdev, &class_device_attr_sensor);
- video_device_create_file(vdev, &class_device_attr_brightness);
- video_device_create_file(vdev, &class_device_attr_saturation);
- video_device_create_file(vdev, &class_device_attr_contrast);
- video_device_create_file(vdev, &class_device_attr_hue);
- video_device_create_file(vdev, &class_device_attr_exposure);
+ int rc;
+
+ rc = video_device_create_file(vdev, &class_device_attr_custom_id);
+ if (rc) goto err;
+ rc = video_device_create_file(vdev, &class_device_attr_model);
+ if (rc) goto err_id;
+ rc = video_device_create_file(vdev, &class_device_attr_bridge);
+ if (rc) goto err_model;
+ rc = video_device_create_file(vdev, &class_device_attr_sensor);
+ if (rc) goto err_bridge;
+ rc = video_device_create_file(vdev, &class_device_attr_brightness);
+ if (rc) goto err_sensor;
+ rc = video_device_create_file(vdev, &class_device_attr_saturation);
+ if (rc) goto err_bright;
+ rc = video_device_create_file(vdev, &class_device_attr_contrast);
+ if (rc) goto err_sat;
+ rc = video_device_create_file(vdev, &class_device_attr_hue);
+ if (rc) goto err_contrast;
+ rc = video_device_create_file(vdev, &class_device_attr_exposure);
+ if (rc) goto err_hue;
+
+ return 0;
+
+err_hue:
+ video_device_remove_file(vdev, &class_device_attr_hue);
+err_contrast:
+ video_device_remove_file(vdev, &class_device_attr_contrast);
+err_sat:
+ video_device_remove_file(vdev, &class_device_attr_saturation);
+err_bright:
+ video_device_remove_file(vdev, &class_device_attr_brightness);
+err_sensor:
+ video_device_remove_file(vdev, &class_device_attr_sensor);
+err_bridge:
+ video_device_remove_file(vdev, &class_device_attr_bridge);
+err_model:
+ video_device_remove_file(vdev, &class_device_attr_model);
+err_id:
+ video_device_remove_file(vdev, &class_device_attr_custom_id);
+err:
+ return rc;
}
/****************************************************************************
@@ -5817,7 +5849,11 @@
ov->vdev->minor);
usb_set_intfdata(intf, ov);
- ov_create_sysfs(ov->vdev);
+ if (ov_create_sysfs(ov->vdev)) {
+ err("ov_create_sysfs failed");
+ goto error;
+ }
+
return 0;
error:
