linux-kernel - [PATCH 5.15 225/917] media: vidtv: Fix memory leak in remove

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Date:   Mon, 15 Nov 2021 17:55:20 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Evgeny Novikov <novikov@...ras.ru>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 225/917] media: vidtv: Fix memory leak in remove

From: Evgeny Novikov <novikov@...ras.ru>

[ Upstream commit 76e21bb8be4f5f987f3006d197196fe6af63f656 ]

vidtv_bridge_remove() releases and cleans up everything except for dvb
itself. The patch adds this missed release.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Evgeny Novikov <novikov@...ras.ru>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/test-drivers/vidtv/vidtv_bridge.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
index 75617709c8ce2..0f6d998d18dc0 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
@@ -557,6 +557,7 @@ static int vidtv_bridge_remove(struct platform_device *pdev)
 	dvb_dmxdev_release(&dvb->dmx_dev);
 	dvb_dmx_release(&dvb->demux);
 	dvb_unregister_adapter(&dvb->adapter);
+	kfree(dvb);
 	dev_info(&pdev->dev, "Successfully removed vidtv\n");
 
 	return 0;
-- 
2.33.0