linux-kernel - Re: crypto: ccp: use dma_mapping

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Message-ID: <20170817090036.GD25646@gondor.apana.org.au>
Date:   Thu, 17 Aug 2017 17:00:36 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Pan Bian <bianpan2016@....com>
Cc:     Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: crypto: ccp: use dma_mapping_error to check map error

On Tue, Aug 08, 2017 at 09:42:47PM +0800, Pan Bian wrote:
> The return value of dma_map_single() should be checked by
> dma_mapping_error(). However, in function ccp_init_dm_workarea(), its
> return value is checked against NULL, which could result in failures.
> 
> Signed-off-by: Pan Bian <bianpan2016@....com>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
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