[PATCH v3 1/7] media: aspeed: move err-handling together to the bottom

[Jammy Huang]

refine aspeed_video_setup_video() flow.

Signed-off-by: Jammy Huang <jammy_huang at aspeedtech.com>
---
 drivers/media/platform/aspeed-video.c | 24 +++++++++++-------------
 1 file changed, 11 insertions(+), 13 deletions(-)

diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index 491447bf5186..6259cf17a7cc 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -1644,11 +1644,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video)
 
 	rc = video->ctrl_handler.error;
 	if (rc) {
-		v4l2_ctrl_handler_free(&video->ctrl_handler);
-		v4l2_device_unregister(v4l2_dev);
-
 		dev_err(video->dev, "Failed to init controls: %d\n", rc);
-		return rc;
+		goto err_ctrl_init;
 	}
 
 	v4l2_dev->ctrl_handler = &video->ctrl_handler;
@@ -1666,11 +1663,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video)
 
 	rc = vb2_queue_init(vbq);
 	if (rc) {
-		v4l2_ctrl_handler_free(&video->ctrl_handler);
-		v4l2_device_unregister(v4l2_dev);
-
 		dev_err(video->dev, "Failed to init vb2 queue\n");
-		return rc;
+		goto err_vb2_init;
 	}
 
 	vdev->queue = vbq;
@@ -1688,15 +1682,19 @@ static int aspeed_video_setup_video(struct aspeed_video *video)
 	video_set_drvdata(vdev, video);
 	rc = video_register_device(vdev, VFL_TYPE_GRABBER, 0);
 	if (rc) {
-		vb2_queue_release(vbq);
-		v4l2_ctrl_handler_free(&video->ctrl_handler);
-		v4l2_device_unregister(v4l2_dev);
-
 		dev_err(video->dev, "Failed to register video device\n");
-		return rc;
+		goto err_video_reg;
 	}
 
 	return 0;
+
+err_video_reg:
+	vb2_queue_release(vbq);
+err_vb2_init:
+err_ctrl_init:
+	v4l2_ctrl_handler_free(&video->ctrl_handler);
+	v4l2_device_unregister(v4l2_dev);
+	return rc;
 }
 
 static int aspeed_video_init(struct aspeed_video *video)
-- 
2.25.1