linux-kernel - [PATCH] hwmon: fix ptr

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Date:   Thu, 10 Sep 2020 06:45:57 +0800
From:   kernel test robot <lkp@...el.com>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     kbuild-all@...ts.01.org, Clemens Ladisch <clemens@...isch.de>,
        Jean Delvare <jdelvare@...e.com>, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] hwmon: fix ptr_ret.cocci warnings

From: kernel test robot <lkp@...el.com>

drivers/hwmon/k10temp.c:548:1-3: WARNING: PTR_ERR_OR_ZERO can be used


 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Fixes: 11ba5c19102a ("hwmon: (k10temp) Take out debugfs code")
Signed-off-by: kernel test robot <lkp@...el.com>
---

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   7204eaa2c1f509066486f488c9dcb065d7484494
commit: 11ba5c19102a4b08f0549026f5491948d4f33d9d [6027/6354] hwmon: (k10temp) Take out debugfs code

 k10temp.c |    5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

--- a/drivers/hwmon/k10temp.c
+++ b/drivers/hwmon/k10temp.c
@@ -545,10 +545,7 @@ static int k10temp_probe(struct pci_dev
 	hwmon_dev = devm_hwmon_device_register_with_info(dev, "k10temp", data,
 							 &k10temp_chip_info,
 							 NULL);
-	if (IS_ERR(hwmon_dev))
-		return PTR_ERR(hwmon_dev);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(hwmon_dev);
 }
 
 static const struct pci_device_id k10temp_id_table[] = {