From patchwork Fri Dec 11 10:16:15 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 11967853 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=-20.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable 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 9445CC4361B for ; Fri, 11 Dec 2020 10:18:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4DD7E23DE3 for ; Fri, 11 Dec 2020 10:18:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733092AbgLKKRm (ORCPT ); Fri, 11 Dec 2020 05:17:42 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:65239 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731920AbgLKKQ7 (ORCPT ); Fri, 11 Dec 2020 05:16:59 -0500 X-IronPort-AV: E=Sophos;i="5.78,411,1599516000"; d="scan'208";a="482414463" Received: from 173.121.68.85.rev.sfr.net (HELO hadrien) ([85.68.121.173]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Dec 2020 11:16:15 +0100 Date: Fri, 11 Dec 2020 11:16:15 +0100 (CET) From: Julia Lawall X-X-Sender: jll@hadrien To: Kashyap Desai , Sumit Saxena , Shivasharan S , "James E.J. Bottomley" , "Martin K. Petersen" cc: megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, kbuild-all@lists.01.org, Denis Efremov Subject: [PATCH] scsi: megaraid: fix ifnullfree.cocci warnings Message-ID: User-Agent: Alpine 2.22 (DEB 394 2020-01-19) MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: kernel test robot NULL check before vfree is not needed. Generated by: scripts/coccinelle/free/ifnullfree.cocci Reported-by: kernel test robot Signed-off-by: kernel test robot Signed-off-by: Julia Lawall --- tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 33dc9614dc208291d0c4bcdeb5d30d481dcd2c4c commit: 5e0c074e5b4be02d57d1b60abc3391afe7edd088 coccinelle: ifnullfree: add vfree(), kvfree*() functions :::::: branch date: 3 hours ago :::::: commit date: 3 months ago Please take the patch only if it's a positive warning. Thanks! megaraid_sas_fusion.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -3917,8 +3917,7 @@ megasas_free_host_crash_buffer(struct me { unsigned int i; for (i = 0; i < instance->drv_buf_alloc; i++) { - if (instance->crash_buf[i]) - vfree(instance->crash_buf[i]); + vfree(instance->crash_buf[i]); } instance->drv_buf_index = 0; instance->drv_buf_alloc = 0;