From patchwork Wed Jun 9 12:54:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12310105 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 12429C48BCF for ; Wed, 9 Jun 2021 13:25:34 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D032F6124C for ; Wed, 9 Jun 2021 13:25:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D032F6124C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=5647g2s5jNuA9q5tkpuItk3edTokBeCy5AYUVk7g3xU=; b=oEB2b2DZfaUovm 2Jajfr8qlbkW50ZnWkkrY9QtokicKEneqUeLVmHhP0jrrhnSyP246HBuGOJpjnKQSEzNN8IQav/iE m7Rhdf0hZodXMX2dN+LdFETEFuoXu0/dd9vJxte4re7tFlsJ9AHBoMejHdCg2Flfp2KU3OP8D6xEK com8Al6RKLDFBqGYSbidLm2mHkycKlcF1a3df1uHU+BG335JlJ1hnugbOevkGyHJS/JAnBdlsw697 1iCgx2Ey5XtV+CmAxgKx3mVzcuD0P94BpXX7xANWTCUGsIbKJIRuHGhodmeKkcvkYALJ2ZSvEioZM 0L7qWTsLAKP9PW3n0bmg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqyAo-00Dyjh-Tk; Wed, 09 Jun 2021 13:23:13 +0000 Received: from szxga01-in.huawei.com ([45.249.212.187]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqxjM-00DqKW-4s for linux-arm-kernel@lists.infradead.org; Wed, 09 Jun 2021 12:54:49 +0000 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G0RlM6wr5zWsXp; Wed, 9 Jun 2021 20:49:51 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 9 Jun 2021 20:54:44 +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; Wed, 9 Jun 2021 20:54:43 +0800 From: Zhen Lei To: Robin Murphy , linux-arm-kernel , Joerg Roedel , "Will Deacon" , iommu CC: Zhen Lei Subject: [PATCH 1/1] iommu/arm-smmu-v3: remove unnecessary oom message Date: Wed, 9 Jun 2021 20:54:38 +0800 Message-ID: <20210609125438.14369-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 MIME-Version: 1.0 X-Originating-IP: [10.174.177.72] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210609_055448_548380_FAF46F9C X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fixes scripts/checkpatch.pl warning: WARNING: Possible unnecessary 'out of memory' message Remove it can help us save a bit of memory. Signed-off-by: Zhen Lei --- drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 2ddc3cd5a7d1..fd7c55b44881 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -2787,10 +2787,8 @@ static int arm_smmu_init_l1_strtab(struct arm_smmu_device *smmu) void *strtab = smmu->strtab_cfg.strtab; cfg->l1_desc = devm_kzalloc(smmu->dev, size, GFP_KERNEL); - if (!cfg->l1_desc) { - dev_err(smmu->dev, "failed to allocate l1 stream table desc\n"); + if (!cfg->l1_desc) return -ENOMEM; - } for (i = 0; i < cfg->num_l1_ents; ++i) { arm_smmu_write_strtab_l1_desc(strtab, &cfg->l1_desc[i]); @@ -3581,10 +3579,8 @@ static int arm_smmu_device_probe(struct platform_device *pdev) bool bypass; smmu = devm_kzalloc(dev, sizeof(*smmu), GFP_KERNEL); - if (!smmu) { - dev_err(dev, "failed to allocate arm_smmu_device\n"); + if (!smmu) return -ENOMEM; - } smmu->dev = dev; if (dev->of_node) {