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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 F1344C55189 for ; Wed, 22 Apr 2020 08:32:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C117320724 for ; Wed, 22 Apr 2020 08:32:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587544325; bh=eNOnZCGwSPFwncSgooM3+DtF+UcPR//NyZ6aljNbEy4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=1jBircyUtSlHClhluDJhIjPcr+5VvSf4HKVROZNRAkfa4oByjnuHTgCXSlVmQbCzT 0ngom43az5YiREUqIJFwBQJd3FZV3UJ1uPPGpyLhJSYNB7RdTbKRRavcUSP/YOIq1q Dasi94taft/1qYHQK53mAB78IXHiUGfjavYRKGGU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726447AbgDVIcF (ORCPT ); Wed, 22 Apr 2020 04:32:05 -0400 Received: from mail-pj1-f66.google.com ([209.85.216.66]:53447 "EHLO mail-pj1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726363AbgDVIcE (ORCPT ); Wed, 22 Apr 2020 04:32:04 -0400 Received: by mail-pj1-f66.google.com with SMTP id hi11so590961pjb.3; Wed, 22 Apr 2020 01:32:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=0gSGsaK7XNGM0f9HDP2FEWrV5igIwJYSE4SoUHkiEQE=; b=Fpknl+15UdpLXGZVoCBoZmQUhLqSKK4w5jVeb/RFFMYKz/d5w3a/FvqUiS9ENWDosq VcnnBgpYFMrFfIZsGDxQ31xMyyCIthsmB0ZJORgoQiKWChzWA/5k8fPgy9BjjYaNcq/Z DFy+v7On047hR+A1yCocDD7IVT1rxEpGqKwmarDbw84oKRGyaI+AdYpXn5eNyC34Wjgj RFZSJTP6VPLVWxc/Gwr6YNqcFitChNR8HtMBXR+gbJ4ruu9MCVOh6ItR079N9ZcP62KE oeUTzvDzxnwIjW+Izf6CVKPwCWdOgvgiv4xmPxWLLBvLeZcyWIPam8Vuq89K2GyJyEVl AkmA== X-Gm-Message-State: AGi0PuakUSXHtg6LAET1I9nyNYPbadcPYW5lo5B8iDTjCkdiNwlYz4f3 HbuGu/s2M0NmqpfEiZsgqtbIcHRy7mg= X-Google-Smtp-Source: APiQypJMpziGX0I45rHBByRzSAK3vgl8jDXWg3bYi5JbvKA5u/6i3jZ989V6n+t3+mj6WDchxznsuw== X-Received: by 2002:a17:902:8542:: with SMTP id d2mr24815804plo.273.1587544323870; Wed, 22 Apr 2020 01:32:03 -0700 (PDT) Received: from 42.do-not-panic.com (42.do-not-panic.com. [157.230.128.187]) by smtp.gmail.com with ESMTPSA id x193sm2035933pfd.54.2020.04.22.01.32.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Apr 2020 01:32:02 -0700 (PDT) Received: by 42.do-not-panic.com (Postfix, from userid 1000) id EEB93402A1; Wed, 22 Apr 2020 08:32:01 +0000 (UTC) Date: Wed, 22 Apr 2020 08:32:01 +0000 From: Luis Chamberlain To: Tiezhu Yang Cc: Shuah Khan , Andrew Morton , Jessica Yu , linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Markus Elfring , Xuefeng Li Subject: Re: [PATCH v4 3/4] kmod: Return directly if module name is empty in request_module() Message-ID: <20200422083201.GV11244@42.do-not-panic.com> References: <1587452704-1299-1-git-send-email-yangtiezhu@loongson.cn> <1587452704-1299-4-git-send-email-yangtiezhu@loongson.cn> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1587452704-1299-4-git-send-email-yangtiezhu@loongson.cn> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 21, 2020 at 03:05:03PM +0800, Tiezhu Yang wrote: > The exit status of child process is wrote to the address of variable > "status" after call waitpid() in the user space that corresponds with > kernel_wait4() in the kernel space. NACK, the issue is in umh, I'll send a fix. Luis