linux-kernel - [PATCH 5.15 370/913] ASoC: codecs: wcd934x: Add missing of_node_put() in wcd934x_codec_parse

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

Message-Id: <20220405070350.937503010@linuxfoundation.org>
Date:   Tue,  5 Apr 2022 09:23:52 +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, Miaoqian Lin <linmq006@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 370/913] ASoC: codecs: wcd934x: Add missing of_node_put() in wcd934x_codec_parse_data

From: Miaoqian Lin <linmq006@...il.com>

[ Upstream commit 9531a631379169d57756b2411178c6238655df88 ]

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.
This is similar to commit 64b92de9603f
("ASoC: wcd9335: fix a leaked reference by adding missing of_node_put")

Fixes: a61f3b4f476e ("ASoC: wcd934x: add support to wcd9340/wcd9341 codec")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
Link: https://lore.kernel.org/r/20220316083631.14103-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/codecs/wcd934x.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c
index 654d847a050e..7b99318070cf 100644
--- a/sound/soc/codecs/wcd934x.c
+++ b/sound/soc/codecs/wcd934x.c
@@ -5888,6 +5888,7 @@ static int wcd934x_codec_parse_data(struct wcd934x_codec *wcd)
 	}
 
 	wcd->sidev = of_slim_get_device(wcd->sdev->ctrl, ifc_dev_np);
+	of_node_put(ifc_dev_np);
 	if (!wcd->sidev) {
 		dev_err(dev, "Unable to get SLIM Interface device\n");
 		return -EINVAL;
-- 
2.34.1