Received: by 2002:a25:23cc:0:0:0:0:0 with SMTP id j195csp74183ybj; Fri, 8 May 2020 06:51:36 -0700 (PDT) X-Google-Smtp-Source: APiQypIN0y4ZOpC4pfLoTvikzAiXbr9I2JmF6OgC+lMnZzqhN0tWc7xjGbtTbgFtn+Z/N2kNQE9W X-Received: by 2002:a1c:a949:: with SMTP id s70mr8836531wme.1.1588945895800; Fri, 08 May 2020 06:51:35 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1588945895; cv=none; d=google.com; s=arc-20160816; b=wkD8OL5VgjmZfnRyg40EisiMMjEHpUg1HK8c7yGa8G4qLjPRCw62F/7zx7CRLQEtL1 yoauPpMBlVd+ayUQTg9RDXpegSUxARVhdveTG8q9YGt3BPdaPmKNbph3IouDBHF2CTF+ wbDZq3Kus52cxIa8oPAViZlyY6pXVAV9c9xmsLM5EEptcrJ4OrcBv0fqvyQDSaEq2RN+ 65HdCqSmp7QDxxv4pIw2pYp+74Ngv1ttJTitTdh5wLICAxHjRyNN8PzEnOTeXjxiYDZj BM5du2M51qQUNwvqifWwQwBSTeaygeyeLckDjm0jI0dSkaWxEhdN2pILj2Y78IeJOSGF VU/Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:in-reply-to :subject:cc:to:from:date; bh=wRS1CcphxndErJb6FbOYireZWcfBHvhurO+k1bUyFws=; b=qrZzgDHwD9aAGddphjCCmwN9ceDER9oOsrCAzBP04dNjmYRru1B431HYZnG65ATvWI FHq34lG8a3FQ9p+pnS/VJXapq12+6wEWJ0HNxef0vMosc2z5PfA/xGjTKAFTi/mL0JWV nUL/2MtW6cCwt8iwjp23gTha9plSv0Wy4nWEo1Is1+R1Iu36PMMH5M6IyA8Dhei/m8xG Qd51cWlUHnKx+hsohSqJUsZb8uqO+J22iH7eNtzpFgA/3p+0Ch0RtaviIguQHBgB/Vk/ 4WOCnbM9850lvBn58ZPnCWHj3mRZPXJ11m1qR5y1zsGUCE57eN8EZA3ZhGMD2Uqomqo/ 7KFw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id n6si1598593wrx.212.2020.05.08.06.51.11; Fri, 08 May 2020 06:51:35 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727799AbgEHNtW (ORCPT + 99 others); Fri, 8 May 2020 09:49:22 -0400 Received: from netrider.rowland.org ([192.131.102.5]:45823 "HELO netrider.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1726904AbgEHNtW (ORCPT ); Fri, 8 May 2020 09:49:22 -0400 Received: (qmail 20457 invoked by uid 500); 8 May 2020 09:49:19 -0400 Received: from localhost (sendmail-bs@127.0.0.1) by localhost with SMTP; 8 May 2020 09:49:19 -0400 Date: Fri, 8 May 2020 09:49:19 -0400 (EDT) From: Alan Stern X-X-Sender: stern@netrider.rowland.org To: Tang Bin cc: gregkh@linuxfoundation.org, , , Zhang Shengju Subject: Re: [PATCH] USB: EHCI: ehci-mv: Fix unused assignment in mv_ehci_probe() In-Reply-To: <20200508114409.12704-1-tangbin@cmss.chinamobile.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 8 May 2020, Tang Bin wrote: > Delete unused initialized value, because 'retval' will be assigined > by the function mv_ehci_enable(). This should also mention the extra blank line that the patch removes. Alan Stern > Signed-off-by: Zhang Shengju > Signed-off-by: Tang Bin > --- > drivers/usb/host/ehci-mv.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c > index bd4f6ef53..1c079953e 100644 > --- a/drivers/usb/host/ehci-mv.c > +++ b/drivers/usb/host/ehci-mv.c > @@ -108,7 +108,7 @@ static int mv_ehci_probe(struct platform_device *pdev) > struct ehci_hcd *ehci; > struct ehci_hcd_mv *ehci_mv; > struct resource *r; > - int retval = -ENODEV; > + int retval; > u32 offset; > > if (usb_disabled()) > @@ -142,8 +142,6 @@ static int mv_ehci_probe(struct platform_device *pdev) > goto err_put_hcd; > } > > - > - > r = platform_get_resource(pdev, IORESOURCE_MEM, 0); > ehci_mv->base = devm_ioremap_resource(&pdev->dev, r); > if (IS_ERR(ehci_mv->base)) { >