linux-kernel - [PATCH] hwmon: occ: fix err

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Date:   Thu, 12 Jan 2017 15:39:56 +0800
From:   kbuild test robot <lkp@...el.com>
To:     eajames.ibm@...il.com
Cc:     kbuild-all@...org, linux@...ck-us.net, devicetree@...r.kernel.org,
        jdelvare@...e.com, corbet@....net, linux-doc@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, mark.rutland@....com,
        robh+dt@...nel.org, wsa@...-dreams.de, andrew@...id.au,
        joel@....id.au, benh@...nel.crashing.org,
        "Edward A. James" <eajames@...ibm.com>
Subject: [PATCH] hwmon: occ: fix err_cast.cocci warnings

drivers/hwmon/occ/occ_sysfs.c:265:9-16: WARNING: ERR_CAST can be used with hwmon -> dev


 Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

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

CC: Edward A. James <eajames@...ibm.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 occ_sysfs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwmon/occ/occ_sysfs.c
+++ b/drivers/hwmon/occ/occ_sysfs.c
@@ -262,7 +262,7 @@ struct occ_sysfs *occ_sysfs_start(struct
 	if (IS_ERR(hwmon->dev)) {
 		dev_err(dev, "cannot register hwmon device %s: %ld\n",
 			hwmon->hwmon_name, PTR_ERR(hwmon->dev));
-		return ERR_PTR(PTR_ERR(hwmon->dev));
+		return ERR_CAST(hwmon->dev);
 	}
 
 	return hwmon;