linux-kernel - [PATCH] hwmon: (aquacomputer_d5next) Fix an error handling path in aqc

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Date:   Sun, 22 May 2022 15:14:23 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     dan.carpenter@...cle.com, Aleksa Savic <savicaleksa83@...il.com>,
        Jack Doan <me@...kdoan.com>, Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        linux-hwmon@...r.kernel.org
Subject: [PATCH] hwmon: (aquacomputer_d5next) Fix an error handling path in aqc_probe()

If no memory can be allocated, some resources still need to be released as
already done in the other error handling paths.

Fixes: 752b927951ea ("hwmon: (aquacomputer_d5next) Add support for Aquacomputer Octo")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/hwmon/aquacomputer_d5next.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/hwmon/aquacomputer_d5next.c b/drivers/hwmon/aquacomputer_d5next.c
index 7d2e7279abfb..a0e69f7ece36 100644
--- a/drivers/hwmon/aquacomputer_d5next.c
+++ b/drivers/hwmon/aquacomputer_d5next.c
@@ -783,8 +783,10 @@ static int aqc_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	priv->name = aqc_device_names[priv->kind];
 
 	priv->buffer = devm_kzalloc(&hdev->dev, priv->buffer_size, GFP_KERNEL);
-	if (!priv->buffer)
-		return -ENOMEM;
+	if (!priv->buffer) {
+		ret = -ENOMEM;
+		goto fail_and_close;
+	}
 
 	mutex_init(&priv->mutex);
 
-- 
2.34.1