From patchwork Thu Oct 22 07:06:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 11850361 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0486716BC for ; Thu, 22 Oct 2020 07:09:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D18CD222E9 for ; Thu, 22 Oct 2020 07:09:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="Sv+/OHM9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2505132AbgJVHJZ (ORCPT ); Thu, 22 Oct 2020 03:09:25 -0400 Received: from userp2120.oracle.com ([156.151.31.85]:56234 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2505125AbgJVHJZ (ORCPT ); Thu, 22 Oct 2020 03:09:25 -0400 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09M6oSOL032033; Thu, 22 Oct 2020 07:09:07 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : mime-version : content-type; s=corp-2020-01-29; bh=H/7ut3HZ9Mm0LqMb92CGy2Gtz3YqHfFYbBgQ+jFKH3o=; b=Sv+/OHM9MVdrjDUg7ZMKdb7BIgxStDG/iyFjazjK4Sm58io6MjmxUUmVydwnA6JhzRg0 WqVWnSox1+gasBsNLDpfOzhaHHmtFWQyHwUQtIGlw8Y0OowtrE7EdeqxuPnyGdS50CAE y8z55kLol77xsjmqmtt+2aCxn081WbKMvMs58V1KAOGUPLoX9COewhvCDtfP0jsBszB4 EswimcAV2abs0H4kILfkeZpb6bcmGXv0z3IAwj58BtjZ2EFhfp4e9YVZBhmm9Ra7EqpH wIRN+LndQ25CEctI9zQkwZV5EXhcX6JiU5fV+Cmw/LeVH/mAVn/kMfPym4y4/lurg3Zp 6g== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2120.oracle.com with ESMTP id 34ak16mhq0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 22 Oct 2020 07:09:07 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 09M6njYN037158; Thu, 22 Oct 2020 07:07:07 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserp3020.oracle.com with ESMTP id 348ah0h1n5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 22 Oct 2020 07:07:07 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 09M776Pl010394; Thu, 22 Oct 2020 07:07:06 GMT Received: from mwanda (/41.57.98.10) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 22 Oct 2020 00:07:05 -0700 Date: Thu, 22 Oct 2020 10:06:59 +0300 From: Dan Carpenter To: Guenter Roeck , Ugur Usug Cc: Jean Delvare , linux-hwmon@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH] hwmon: (pmbus/max20730) delete some dead code Message-ID: <20201022070659.GA2817762@mwanda> MIME-Version: 1.0 Content-Disposition: inline X-Mailer: git-send-email haha only kidding X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9781 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxscore=0 phishscore=0 malwarescore=0 spamscore=0 suspectscore=0 bulkscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010220044 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9781 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 phishscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 mlxscore=0 adultscore=0 lowpriorityscore=0 impostorscore=0 spamscore=0 mlxlogscore=999 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2010220044 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org The debugfs_create_dir() function never returns NULL. Normal users are not supposed to check the return value so the correct fix is just to delete this check. In the case where the debugfs_create_dir() fails, the function returns NULL. The other debugfs function check for NULL directory and handle it. Signed-off-by: Dan Carpenter --- drivers/hwmon/pmbus/max20730.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/hwmon/pmbus/max20730.c b/drivers/hwmon/pmbus/max20730.c index be83b98411c7..00fea16acab4 100644 --- a/drivers/hwmon/pmbus/max20730.c +++ b/drivers/hwmon/pmbus/max20730.c @@ -328,8 +328,6 @@ static int max20730_init_debugfs(struct i2c_client *client, return -ENOENT; max20730_dir = debugfs_create_dir(client->name, debugfs); - if (!max20730_dir) - return -ENOENT; for (i = 0; i < MAX20730_DEBUGFS_NUM_ENTRIES; ++i) psu->debugfs_entries[i] = i;