linux-kernel - [PATCH AUTOSEL 6.1 01/24] media: mdp3: Fix resource leaks in of_find_device_by

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri,  8 Sep 2023 20:37:53 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Lu Hongfei <luhongfei@...o.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sasha Levin <sashal@...nel.org>, mchehab@...nel.org,
        matthias.bgg@...il.com, moudy.ho@...iatek.com,
        krzysztof.kozlowski@...aro.org, sunke32@...wei.com, drv@...lo.com,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: [PATCH AUTOSEL 6.1 01/24] media: mdp3: Fix resource leaks in of_find_device_by_node

From: Lu Hongfei <luhongfei@...o.com>

[ Upstream commit 35ca8ce495366909b4c2e701d1356570dd40c4e2 ]

Use put_device to release the object get through of_find_device_by_node,
avoiding resource leaks.

Signed-off-by: Lu Hongfei <luhongfei@...o.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@...all.nl>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
index 7bc05f42a23c1..9a3f46c1f6ba3 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-comp.c
@@ -775,11 +775,13 @@ static int mdp_get_subsys_id(struct device *dev, struct device_node *node,
 	ret = cmdq_dev_get_client_reg(&comp_pdev->dev, &cmdq_reg, index);
 	if (ret != 0) {
 		dev_err(&comp_pdev->dev, "cmdq_dev_get_subsys fail!\n");
+		put_device(&comp_pdev->dev);
 		return -EINVAL;
 	}
 
 	comp->subsys_id = cmdq_reg.subsys;
 	dev_dbg(&comp_pdev->dev, "subsys id=%d\n", cmdq_reg.subsys);
+	put_device(&comp_pdev->dev);
 
 	return 0;
 }
-- 
2.40.1