diff options
| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2019-05-27 16:51:00 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2019-06-06 14:38:56 +0800 |
| commit | aa52428698aeb1c1d4ebb7c3e9de3e7bdce25704 (patch) | |
| tree | c6952bc57be64dcf0378438ce5c4ed1c092e58cd /drivers/crypto/inside-secure/safexcel_hash.c | |
| parent | crypto: inside-secure - enable context reuse (diff) | |
| download | linux-dev-aa52428698aeb1c1d4ebb7c3e9de3e7bdce25704.tar.xz linux-dev-aa52428698aeb1c1d4ebb7c3e9de3e7bdce25704.zip | |
crypto: inside-secure - unify cache reset
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>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 58ce480690eb..a79a73bb3969 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -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; } |