From patchwork Fri Aug 4 09:32:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 710630 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FBECC001DF for ; Fri, 4 Aug 2023 09:33:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230502AbjHDJd6 (ORCPT ); Fri, 4 Aug 2023 05:33:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230455AbjHDJdr (ORCPT ); Fri, 4 Aug 2023 05:33:47 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADE464236 for ; Fri, 4 Aug 2023 02:33:44 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RHL8C0NySzVjwb; Fri, 4 Aug 2023 17:31:55 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Fri, 4 Aug 2023 17:33:41 +0800 From: Ruan Jinjie To: , , , , , , , , , , , , CC: Subject: [PATCH -next 1/5] usb: gadget: udc: Remove unnecessary NULL values Date: Fri, 4 Aug 2023 17:32:49 +0800 Message-ID: <20230804093253.91647-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230804093253.91647-1-ruanjinjie@huawei.com> References: <20230804093253.91647-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org The NULL initialization of the pointers assigned by kzalloc() first is not necessary, because if the kzalloc() failed, the pointers will be assigned NULL, otherwise it works as usual. so remove it. Signed-off-by: Ruan Jinjie --- drivers/usb/gadget/udc/fsl_udc_core.c | 2 +- drivers/usb/gadget/udc/mv_u3d_core.c | 4 ++-- drivers/usb/gadget/udc/mv_udc_core.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c index 5265ca418cde..ee5705d336e3 100644 --- a/drivers/usb/gadget/udc/fsl_udc_core.c +++ b/drivers/usb/gadget/udc/fsl_udc_core.c @@ -671,7 +671,7 @@ static int fsl_ep_disable(struct usb_ep *_ep) static struct usb_request * fsl_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags) { - struct fsl_req *req = NULL; + struct fsl_req *req; req = kzalloc(sizeof *req, gfp_flags); if (!req) diff --git a/drivers/usb/gadget/udc/mv_u3d_core.c b/drivers/usb/gadget/udc/mv_u3d_core.c index 3473048a85f5..2a421f0ff931 100644 --- a/drivers/usb/gadget/udc/mv_u3d_core.c +++ b/drivers/usb/gadget/udc/mv_u3d_core.c @@ -665,7 +665,7 @@ static int mv_u3d_ep_disable(struct usb_ep *_ep) static struct usb_request * mv_u3d_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags) { - struct mv_u3d_req *req = NULL; + struct mv_u3d_req *req; req = kzalloc(sizeof *req, gfp_flags); if (!req) @@ -1779,7 +1779,7 @@ static void mv_u3d_remove(struct platform_device *dev) static int mv_u3d_probe(struct platform_device *dev) { - struct mv_u3d *u3d = NULL; + struct mv_u3d *u3d; struct mv_usb_platform_data *pdata = dev_get_platdata(&dev->dev); int retval = 0; struct resource *r; diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c index 79db74e2040b..d888dcda2bc8 100644 --- a/drivers/usb/gadget/udc/mv_udc_core.c +++ b/drivers/usb/gadget/udc/mv_udc_core.c @@ -595,7 +595,7 @@ static int mv_ep_disable(struct usb_ep *_ep) static struct usb_request * mv_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags) { - struct mv_req *req = NULL; + struct mv_req *req; req = kzalloc(sizeof *req, gfp_flags); if (!req)