linux-kernel - Re: [PATCH] crypto: qat: adf_aer: Replace GFP_ATOMIC with GFP_KERNEL in adf_dev_aer_schedule

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Message-ID: <20180803135804.4snrn45ayf7bvyj7@gondor.apana.org.au>
Date:   Fri, 3 Aug 2018 21:58:04 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Jia-Ju Bai <baijiaju1990@...il.com>
Cc:     giovanni.cabiddu@...el.com, davem@...emloft.net,
        qat-linux@...el.com, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] crypto: qat: adf_aer: Replace GFP_ATOMIC with GFP_KERNEL
 in adf_dev_aer_schedule_reset()

On Mon, Jul 23, 2018 at 04:27:44PM +0800, Jia-Ju Bai wrote:
> adf_dev_aer_schedule_reset() is never called in atomic context, as it
> calls wait_for_completion_timeout().
> 
> adf_dev_aer_schedule_reset() calls kzalloc() with GFP_ATOMIC,
> which is not necessary.
> GFP_ATOMIC can be replaced with GFP_KERNEL.
> 
> This is found by a static analysis tool named DCNS written by myself.
> I also manually check the kernel code before reporting it.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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