[PATCH] hwmon: occ: fix err_cast.cocci warnings

[kbuild test robot]

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 <eaja...@us.ibm.com>
Signed-off-by: Fengguang Wu <fengguang...@intel.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;