linux-kernel - [PATCH 5.4 110/270] media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init

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Message-Id: <20200817143801.264264134@linuxfoundation.org>
Date:   Mon, 17 Aug 2020 17:15:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 110/270] media: omap3isp: Add missed v4l2_ctrl_handler_free() for preview_init_entities()

From: Chuhong Yuan <hslester96@...il.com>

[ Upstream commit dc7690a73017e1236202022e26a6aa133f239c8c ]

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>
Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@...ux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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 97d660606d984..b8c2b8bba826e 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 error_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;
 }
 
-- 
2.25.1