From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH] cgroup: minor tweak for logic to get cgroup css Date: Mon, 8 Jul 2019 09:42:43 -0700 Message-ID: <20190708164243.GE657710@devbig004.ftw2.facebook.com> References: <20190703020749.22988-1-rocking@whu.edu.cn> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=8IxAaS8HkYeCdm6ofdJNfkVr0RYEAJ+U8cg6TKAE1aA=; b=L4VgEUxFKymN8SdwCiz5jn/rBEPjrGbx7eFnC/6wSUv7PRduz3U9K5Wb58pE9nCwOh K4B+yYRyrknRJhYhK5GxOAr8okc1478Hpn7cwz/VKt0SCzvrBwHR/NOc9+F67juzgoUl TlucAUvTpmHDN6YI/nfX0Cv+I3FnSvxeTZbthwIBDS/D5/643uM+t1caAPoJBE3QKINO hkjzqay4+jr7+ZiC4mBgaYshjyViUjma8mTmO9MpWs5vwFYwofGWzCwYgk9D7k/ajgk/ 0RpyJHJRof2GfzuXUrUDsf76MOC/CVeHbyq6lFHXgsRZhHhALQFMfMuY+g/Evqa19ZPf upmA== Content-Disposition: inline In-Reply-To: <20190703020749.22988-1-rocking@whu.edu.cn> Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Peng Wang Cc: lizefan@huawei.com, hannes@cmpxchg.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, Jul 03, 2019 at 10:07:49AM +0800, Peng Wang wrote: > We could only handle the case that css exists > and css_try_get_online() fails. As css_tryget_online() can't handle NULL input, this is a bug fix. Can you please clarify that in the description? Thanks. -- tejun