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crypto: inside-secure - unify cache reset

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This patch unify the way the cache related data is zeroed when the cache
buffer is DMA unmapped. It should not change the driver behaviour, but
improves the code safety and readability.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Antoine Tenart 2019-05-27 16:51:00 +02:00 committed by Herbert Xu
parent 97a1440d12
commit aa52428698
1 changed files with 2 additions and 0 deletions

2
drivers/crypto/inside-secure/safexcel_hash.c
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@ -183,6 +183,7 @@ static int safexcel_handle_req_result(struct safexcel_crypto_priv *priv, int rin
dma_unmap_single(priv->dev, sreq->cache_dma, sreq->cache_sz,
DMA_TO_DEVICE);
sreq->cache_dma = 0;
sreq->cache_sz = 0;
}
if (sreq->finish)
@ -344,6 +345,7 @@ unmap_cache:
if (req->cache_dma) {
dma_unmap_single(priv->dev, req->cache_dma, req->cache_sz,
DMA_TO_DEVICE);
req->cache_dma = 0;
req->cache_sz = 0;
}