From patchwork Thu Jun 10 09:46:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12312491 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 CF422C48BDF for ; Thu, 10 Jun 2021 09:46:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B15B5613E3 for ; Thu, 10 Jun 2021 09:46:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230033AbhFJJsO (ORCPT ); Thu, 10 Jun 2021 05:48:14 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:9065 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230001AbhFJJsN (ORCPT ); Thu, 10 Jun 2021 05:48:13 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G0zYn32zdzYrkG; Thu, 10 Jun 2021 17:43:25 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv711-chm.china.huawei.com (10.1.198.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 10 Jun 2021 17:46:16 +0800 Received: from thunder-town.china.huawei.com (10.174.177.72) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Thu, 10 Jun 2021 17:46:15 +0800 From: Zhen Lei To: Jack Wang , "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi CC: Zhen Lei Subject: [PATCH v2 1/1] scsi: pm8001: remove unnecessary oom message Date: Thu, 10 Jun 2021 17:46:05 +0800 Message-ID: <20210610094605.16672-2-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20210610094605.16672-1-thunder.leizhen@huawei.com> References: <20210610094605.16672-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.177.72] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. By the way, change the return error code from "-1" to "-ENOMEM". Signed-off-by: Zhen Lei Acked-by: Jack Wang --- drivers/scsi/pm8001/pm8001_sas.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 6860d5a9ef83b44..6f33d821e5453d1 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -118,10 +118,8 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, align_offset = (dma_addr_t)align - 1; mem_virt_alloc = dma_alloc_coherent(&pdev->dev, mem_size + align, &mem_dma_handle, GFP_KERNEL); - if (!mem_virt_alloc) { - pr_err("pm80xx: memory allocation error\n"); - return -1; - } + if (!mem_virt_alloc) + return -ENOMEM; *pphys_addr = mem_dma_handle; phys_align = (*pphys_addr + align_offset) & ~align_offset; *virt_addr = (void *)mem_virt_alloc + phys_align - *pphys_addr;