linux-kernel - Re: [PATCH v7 2/3] blk-cgroup: Return -ENOMEM directly in blkcg_css

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Message-ID: <YzsQkpYOeIfDSA03@slm.duckdns.org>
Date:   Mon, 3 Oct 2022 06:40:50 -1000
From:   Tejun Heo <tj@...nel.org>
To:     Waiman Long <longman@...hat.com>
Cc:     Jens Axboe <axboe@...nel.dk>, cgroups@...r.kernel.org,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ming Lei <ming.lei@...hat.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Huang Ying <ying.huang@...el.com>,
        Michal Koutný <mkoutny@...e.com>
Subject: Re: [PATCH v7 2/3] blk-cgroup: Return -ENOMEM directly in
 blkcg_css_alloc() error path

On Mon, Oct 03, 2022 at 11:44:58AM -0400, Waiman Long wrote:
> For blkcg_css_alloc(), the only error that will be returned is -ENOMEM.
> Simplify error handling code by returning this error directly instead
> of setting an intermediate "ret" variable.
> 
> Signed-off-by: Waiman Long <longman@...hat.com>
> Reviewed-by: Ming Lei <ming.lei@...hat.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun