linux-kernel - [PATCH] regulator: s5m8767: Drop regulators OF node reference

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]

Message-Id: <20210121155914.48034-1-krzk@kernel.org>
Date:   Thu, 21 Jan 2021 16:59:14 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org
Cc:     Pan Bian <bianpan2016@....com>
Subject: [PATCH] regulator: s5m8767: Drop regulators OF node reference

The device node reference obtained with of_get_child_by_name() should be
dropped on error paths.

Fixes: 26aec009f6b6 ("regulator: add device tree support for s5m8767")
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
---
 drivers/regulator/s5m8767.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 3fa472127e9a..fa10f1f550a4 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -544,14 +544,18 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
 	rdata = devm_kcalloc(&pdev->dev,
 			     pdata->num_regulators, sizeof(*rdata),
 			     GFP_KERNEL);
-	if (!rdata)
+	if (!rdata) {
+		of_node_put(regulators_np);
 		return -ENOMEM;
+	}
 
 	rmode = devm_kcalloc(&pdev->dev,
 			     pdata->num_regulators, sizeof(*rmode),
 			     GFP_KERNEL);
-	if (!rmode)
+	if (!rmode) {
+		of_node_put(regulators_np);
 		return -ENOMEM;
+	}
 
 	pdata->regulators = rdata;
 	pdata->opmode = rmode;
-- 
2.25.1