From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 54A58C47092 for ; Tue, 1 Jun 2021 14:47:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3590F61159 for ; Tue, 1 Jun 2021 14:47:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234210AbhFAOsy (ORCPT ); Tue, 1 Jun 2021 10:48:54 -0400 Received: from aserp2130.oracle.com ([141.146.126.79]:52146 "EHLO aserp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233797AbhFAOsx (ORCPT ); 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Tue, 1 Jun 2021 14:46:56 GMT Received: from pps.reinject (localhost [127.0.0.1]) by aserp3030.oracle.com with ESMTP id 38ubnd8679-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Jun 2021 14:46:56 +0000 Received: from aserp3030.oracle.com (aserp3030.oracle.com [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 151Ekuw1168071; Tue, 1 Jun 2021 14:46:56 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 38ubnd866t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 01 Jun 2021 14:46:56 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 151Ekq1m028325; Tue, 1 Jun 2021 14:46:52 GMT Received: from kadam (/41.212.42.34) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 01 Jun 2021 14:46:51 +0000 Date: Tue, 1 Jun 2021 17:46:44 +0300 From: Dan Carpenter To: Zheng Yongjun Cc: mchehab@kernel.org, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org, sakari.ailus@linux.intel.com, gregkh@linuxfoundation.org Subject: Re: [PATCH -next] media: atomisp: Remove unneeded if-null-free check Message-ID: <20210601144644.GB1955@kadam> References: <20210601142005.4132018-1-zhengyongjun3@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210601142005.4132018-1-zhengyongjun3@huawei.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-Proofpoint-GUID: 4laRrVAYnDnxliylLSPvZFBHd1nhqE9Z X-Proofpoint-ORIG-GUID: 4laRrVAYnDnxliylLSPvZFBHd1nhqE9Z X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=10002 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 mlxscore=0 mlxlogscore=999 malwarescore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 adultscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2106010100 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 01, 2021 at 10:20:05PM +0800, Zheng Yongjun wrote: > Eliminate the following coccicheck warning: > > drivers/staging/media/atomisp/pci/sh_css_firmware.c:369:4-10: WARNING: > NULL check before some freeing functions is not needed. > > Signed-off-by: Zheng Yongjun > --- > drivers/staging/media/atomisp/pci/sh_css_firmware.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/staging/media/atomisp/pci/sh_css_firmware.c b/drivers/staging/media/atomisp/pci/sh_css_firmware.c > index f4ce8ace9d50..980fc09fcc8b 100644 > --- a/drivers/staging/media/atomisp/pci/sh_css_firmware.c > +++ b/drivers/staging/media/atomisp/pci/sh_css_firmware.c > @@ -365,8 +365,7 @@ void sh_css_unload_firmware(void) > for (i = 0; i < sh_css_num_binaries; i++) { > if (fw_minibuffer[i].name) > kfree((void *)fw_minibuffer[i].name); Change this too. > - if (fw_minibuffer[i].buffer) > - kvfree(fw_minibuffer[i].buffer); > + kvfree(fw_minibuffer[i].buffer); > } > kfree(fw_minibuffer); > fw_minibuffer = NULL; regards, dan carpenter