Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp1161062pxj; Sat, 29 May 2021 05:13:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwPxXs+bzFOj+wglzjYTMvM+hyxGAqeiCiA7if8moEehXp5DzUuDFN5ieXMIcZ3PWNxsRxd X-Received: by 2002:a17:906:d7a8:: with SMTP id pk8mr14057277ejb.74.1622290421280; Sat, 29 May 2021 05:13:41 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1622290421; cv=none; d=google.com; s=arc-20160816; b=vKmxu7VSzQGBoH4yYHI76wTKP6vZLLD80W4YCgeQM4RB2wtLeFQjvAFIIQEFM9QYA4 ACIO+yIQO9S6UUZ1eec1zOKJ9qwDdEyP0s/iU60zsvOIHeY6/5u8JtyhD4g4vENp9eC1 INNQ+juM/xM79sa9MapKy6pPPmwjMtBDtXZnrZepaIUWmAE6bY8hUqSiSK44my6Bp4xe s7p6dZ9yo2F0B+ca15F8GWGrLbXmbCjQ8fyCslk5KuqQ5PuoDQpVGeTYmszg6cVHZ8Ex hIwAVJu+LvMkK5nXlyg9jo0rzqGsMDoZixJU6bQS0wGQXLRytK8AUl95uUH6p3f306Xl kLHg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=9jZEoiZtgnSAiYysqpBoXtksk+9jHWwDtuNuDG40cMQ=; b=D3gal6iX6mUde+u0kaFTwwr9fzVZi1/g9FuUvgmbOa36GB4s7o3P+98KXtfS4wTGI1 GZC2GX0Q1PVN2vl5kIoSYLc0CcIG8zzglhSQFjXVhPBHr467jWb28+9uOC9hC5mGGtV+ KinR1XG4/HXJqHgfJ9DQ1Y+q+Nt3pE9xchKFLweggDTQxJTF8ptBz5N6wzabYt5JDbzH L7BfJGEN0iWYeRtbkCFhQ/QaHx3olrNhUJcFHLTvU/hKVPV2VFDxVNC5hXBeSOJZ9e/w 8gMc15XWwI8JeAzUa3aFTdWcdDbRImyUti6jH2wPymE39d1eLq/cXnGPay3FNFPl9R6W /SsA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=pfKUNmS3; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id w8si7679813edr.279.2021.05.29.05.13.16; Sat, 29 May 2021 05:13:41 -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; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=pfKUNmS3; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229709AbhE2MNj (ORCPT + 99 others); Sat, 29 May 2021 08:13:39 -0400 Received: from mail.kernel.org ([198.145.29.99]:36254 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229602AbhE2MNR (ORCPT ); Sat, 29 May 2021 08:13:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 511056113B; Sat, 29 May 2021 12:11:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1622290300; bh=a04XgNt8VBVT/mEJkohX1vjTZHsrsgHJ0yvL7oX6ALY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pfKUNmS3NWjQGuAoYFqtn6xQ0BHGkWc5/xNQ/uyzO1/AURAmoa1QUJ6RhWiCpHcwY 6wPXMqcool5TBVCwARpLXfMJnTjg50ViCoZC7bkUz15L5FqEcvTdAzeGaP+E+8bNXF 4jhBGJO04YPr6Lcj+ZvoSMPi3NLn9gOk4/Ad46+I= Date: Sat, 29 May 2021 14:11:36 +0200 From: Greg KH To: YueHaibing Cc: balbi@kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next] USB: gadget: f_fs: Remove unneed cast in ffs_prepare_buffer() Message-ID: References: <20210529120408.23456-1-yuehaibing@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210529120408.23456-1-yuehaibing@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 29, 2021 at 08:04:08PM +0800, YueHaibing wrote: > A coccicheck run provided information like the following. > > ./drivers/usb/gadget/function/f_fs.c:3832:9-16: > WARNING: ERR_CAST can be used with data > > ffs_prepare_buffer() should return an ERR_PTR() encoded error > code on failure. It does return such a pointer today, so this statement does not make much sense :( And is this a v2 patch? What changed from the previous version? thanks, greg k-h