From: Lucas Stach <l.stach@pengutronix.de>
Date: Wed, 31 Jan 2024 12:00:33 +0000 (+0100)
Subject: media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak
X-Git-Tag: v5.15.153~107
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b1d0eebaf87cc9ccd05f779ec4a0589f95d6c18b;p=thirdparty%2Fkernel%2Fstable.git

media: imx: csc/scaler: fix v4l2_ctrl_handler memory leak

[ Upstream commit 4797a3dd46f220e6d83daf54d70c5b33db6deb01 ]

Free the memory allocated in v4l2_ctrl_handler_init on release.

Fixes: a8ef0488cc59 ("media: imx: add csc/scaler mem2mem device")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/staging/media/imx/imx-media-csc-scaler.c b/drivers/staging/media/imx/imx-media-csc-scaler.c
index eb6da9b9d8ba8..c29a950639e46 100644
--- a/drivers/staging/media/imx/imx-media-csc-scaler.c
+++ b/drivers/staging/media/imx/imx-media-csc-scaler.c
@@ -803,6 +803,7 @@ static int ipu_csc_scaler_release(struct file *file)
 
 	dev_dbg(priv->dev, "Releasing instance %p\n", ctx);
 
+	v4l2_ctrl_handler_free(&ctx->ctrl_hdlr);
 	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 	v4l2_fh_del(&ctx->fh);
 	v4l2_fh_exit(&ctx->fh);