linux-kernel - [PATCH] soc: amlogic: Fix refcount leak in meson-secure-pwrc.c

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Date:   Thu, 16 Jun 2022 22:49:15 +0800
From:   Liang He <windhl@....com>
To:     narmstrong@...libre.com, khilman@...libre.com,
        jbrunet@...libre.com, martin.blumenstingl@...glemail.com
Cc:     windhl@....com, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] soc: amlogic: Fix refcount leak in meson-secure-pwrc.c

In meson_secure_pwrc_probe(), there is a refcount leak in one fail
path.

Signed-off-by: Liang He <windhl@....com>
---
 drivers/soc/amlogic/meson-secure-pwrc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index a10a417a87db..e93518763526 100644
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c
@@ -152,8 +152,10 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev)
 	}
 
 	pwrc = devm_kzalloc(&pdev->dev, sizeof(*pwrc), GFP_KERNEL);
-	if (!pwrc)
+	if (!pwrc) {
+		of_node_put(sm_np);
 		return -ENOMEM;
+	}
 
 	pwrc->fw = meson_sm_get(sm_np);
 	of_node_put(sm_np);
-- 
2.25.1