linux-kernel - [PATCH] media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init

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Message-Id: <20200603115623.1428692-1-hslester96@gmail.com>
Date:   Wed,  3 Jun 2020 19:56:23 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Pallavi Kulkarni <p-kulkarni@...com>,
        Nayden Kanchev <nkanchev@...sol.com>,
        Phil Carmody <ext-phil.2.carmody@...ia.com>,
        RaniSuneela <r-m@...com>, linux-media@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init_entities()

preview_init_entities() does not call v4l2_ctrl_handler_free() when
it fails.
Add the missed function to fix it.

Fixes: de1135d44f4f ("[media] omap3isp: CCDC, preview engine and resizer]")
Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/media/platform/omap3isp/isppreview.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c
index 4dbdf3180d10..38b93ec60536 100644
--- a/drivers/media/platform/omap3isp/isppreview.c
+++ b/drivers/media/platform/omap3isp/isppreview.c
@@ -2287,7 +2287,7 @@ static int preview_init_entities(struct isp_prev_device *prev)
 	me->ops = &preview_media_ops;
 	ret = media_entity_pads_init(me, PREV_PADS_NUM, pads);
 	if (ret < 0)
-		return ret;
+		goto err_handler_free;
 
 	preview_init_formats(sd, NULL);
 
@@ -2320,6 +2320,8 @@ static int preview_init_entities(struct isp_prev_device *prev)
 	omap3isp_video_cleanup(&prev->video_in);
 error_video_in:
 	media_entity_cleanup(&prev->subdev.entity);
+error_handler_free:
+	v4l2_ctrl_handler_free(&prev->ctrls);
 	return ret;
 }
 
-- 
2.26.2