linux-kernel - Re: [PATCH v2] crypto: hisilicon/hpre - fix unmapping invalid dma address

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Date:   Fri, 21 May 2021 16:22:45 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Hui Tang <tanghui20@...wei.com>
Cc:     davem@...emloft.net, linux-crypto@...r.kernel.org,
        xuzaibo@...wei.com, wangzhou1@...ilicon.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] crypto: hisilicon/hpre - fix unmapping invalid dma
 address

On Mon, May 10, 2021 at 05:02:55PM +0800, Hui Tang wrote:
> Currently, an invalid dma address may be unmapped when calling
> 'xx_data_clr_all' in error path, so check dma address of sqe in/out
> if initialized before calling 'dma_free_coherent' or 'dma_unmap_single'.
> 
> Fixes: a9214b0b6ed2(crypto: hisilicon - fix the check on dma address)
> Signed-off-by: Hui Tang <tanghui20@...wei.com>
> ---
> v1 -> v2: Fix sparse warning.
> ---
>  drivers/crypto/hisilicon/hpre/hpre_crypto.c | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)

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