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=-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,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 D6193C48BCF for ; Wed, 9 Jun 2021 12:20:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BEDC6613B1 for ; Wed, 9 Jun 2021 12:20:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235461AbhFIMWF (ORCPT ); Wed, 9 Jun 2021 08:22:05 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:5308 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230303AbhFIMWF (ORCPT ); Wed, 9 Jun 2021 08:22:05 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.55]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4G0QzL75b4z19S5w; Wed, 9 Jun 2021 20:15:10 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv704-chm.china.huawei.com (10.3.19.47) 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 20:20:03 +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 20:20:02 +0800 From: Zhen Lei To: Jens Axboe , linux-block CC: Zhen Lei Subject: [PATCH 1/1] mtip32xx: remove unnecessary oom message Date: Wed, 9 Jun 2021 20:19:58 +0800 Message-ID: <20210609121958.13992-1-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.174.177.72] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@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. Signed-off-by: Zhen Lei --- drivers/block/mtip32xx/mtip32xx.c | 26 +++++--------------------- 1 file changed, 5 insertions(+), 21 deletions(-) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index 589cb0f1e030..ff3e7b3f5ad8 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2238,7 +2238,6 @@ static ssize_t show_device_status(struct device_driver *drv, char *buf) static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf, size_t len, loff_t *offset) { - struct driver_data *dd = (struct driver_data *)f->private_data; int size = *offset; char *buf; int rv = 0; @@ -2247,11 +2246,8 @@ static ssize_t mtip_hw_read_device_status(struct file *f, char __user *ubuf, return 0; buf = kzalloc(MTIP_DFS_MAX_BUF_SIZE, GFP_KERNEL); - if (!buf) { - dev_err(&dd->pdev->dev, - "Memory allocation: status buffer\n"); + if (!buf) return -ENOMEM; - } size += show_device_status(NULL, buf); @@ -2277,11 +2273,8 @@ static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf, return 0; buf = kzalloc(MTIP_DFS_MAX_BUF_SIZE, GFP_KERNEL); - if (!buf) { - dev_err(&dd->pdev->dev, - "Memory allocation: register buffer\n"); + if (!buf) return -ENOMEM; - } size += sprintf(&buf[size], "H/ S ACTive : [ 0x"); @@ -2343,11 +2336,8 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf, return 0; buf = kzalloc(MTIP_DFS_MAX_BUF_SIZE, GFP_KERNEL); - if (!buf) { - dev_err(&dd->pdev->dev, - "Memory allocation: flag buffer\n"); + if (!buf) return -ENOMEM; - } size += sprintf(&buf[size], "Flag-port : [ %08lX ]\n", dd->port->flags); @@ -2884,11 +2874,8 @@ static int mtip_hw_init(struct driver_data *dd) dd->port = kzalloc_node(sizeof(struct mtip_port), GFP_KERNEL, dd->numa_node); - if (!dd->port) { - dev_err(&dd->pdev->dev, - "Memory allocation: port structure\n"); + if (!dd->port) return -ENOMEM; - } /* Continue workqueue setup */ for (i = 0; i < MTIP_MAX_SLOT_GROUPS; i++) @@ -4002,11 +3989,8 @@ static int mtip_pci_probe(struct pci_dev *pdev, cpu_to_node(raw_smp_processor_id()), raw_smp_processor_id()); dd = kzalloc_node(sizeof(struct driver_data), GFP_KERNEL, my_node); - if (dd == NULL) { - dev_err(&pdev->dev, - "Unable to allocate memory for driver data\n"); + if (!dd) return -ENOMEM; - } /* Attach the private data to this PCI device. */ pci_set_drvdata(pdev, dd); -- 2.25.1