linux-kernel - Re: [PATCH 3/3] cgroup: remove extra calls to find_existing_css

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Message-ID: <20120121000842.GB2908@dhcp-172-17-108-109.mtv.corp.google.com>
Date:	Fri, 20 Jan 2012 16:08:42 -0800
From:	Tejun Heo <tj@...nel.org>
To:	Mandeep Singh Baines <msb@...omium.org>
Cc:	Li Zefan <lizf@...fujitsu.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Paul Menage <paul@...lmenage.org>
Subject: Re: [PATCH 3/3] cgroup: remove extra calls to find_existing_css_set

On Tue, Jan 03, 2012 at 09:18:32PM -0800, Mandeep Singh Baines wrote:
> +out_put_css_set_refs:
> +	if (retval) {
> +		for (i = 0; i < css_set_refs; i++) {
> +			tc = flex_array_get(group, i);
> +			put_css_set(tc->cg);

Why not the following

	for (i = 0; i < group_size; i++) {
		tc = flex_array_get(group, i);
		if (tc)
			put_css_set(tc->cg);
	}

and remove css_set_refs?

Thanks

-- 
tejun
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