Re: [PATCH] crypto: caam - fix zero-length buffer DMA mapping

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Subject: Re: [PATCH] crypto: caam - fix zero-length buffer DMA mapping
From: Christoph Hellwig <hch@xxxxxx>
Date: Wed, 19 Dec 2018 15:41:05 +0100
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Aymen Sghaier <aymen.sghaier@xxxxxxx>, Christoph Hellwig <hch@xxxxxx>, linux-crypto@xxxxxxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, linux-imx@xxxxxxx
In-reply-to: <20181219143644.22089-1-horia.geanta@nxp.com>
References: <20181219143644.22089-1-horia.geanta@nxp.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Yes, we should never do zero-length dma mappings, so this looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH] crypto: caam - fix zero-length buffer DMA mapping
  - From: Horia Geantă

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