linux-kernel - RE: [PATCH] PM / devfreq: fix mem leak and missing check of return value in devfreq_add

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Date:   Mon, 21 Jan 2019 10:22:08 +0900
From:   MyungJoo Ham <myungjoo.ham@...sung.com>
To:     Yangtao Li <tiny.windzz@...il.com>
CC:     Kyungmin Park <kyungmin.park@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] PM / devfreq: fix mem leak and missing check of return
 value in devfreq_add_device()

> 'devfreq' is malloced in devfreq_add_device() and should be freed in
> the error handling cases, otherwise it will cause memory leak.
> 
> devm_kzalloc() could fail, so insert a check of its return value. And
> if it fails, returns -ENOMEM.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@...il.com>

Dear Yangtao,

Could you please make your patch without indentation style changes?


The label, "err_devfreq", would fit more if it's renamed "err_kzalloc".


Cheers,
MyungJoo.