diff options
| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2018-02-13 09:26:53 +0100 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-02-22 22:16:26 +0800 |
| commit | 666a9c70b04fccabde5cea5e680ae1ae92460a62 (patch) | |
| tree | bcdc04b569d95e07460baed07e61e35ec0ac1e38 /drivers/crypto | |
| parent | crypto: inside-secure - fix the extra cache computation (diff) | |
| download | linux-dev-666a9c70b04fccabde5cea5e680ae1ae92460a62.tar.xz linux-dev-666a9c70b04fccabde5cea5e680ae1ae92460a62.zip | |
crypto: inside-secure - fix the cache_len computation
This patch fixes the cache length computation as cache_len could end up
being a negative value. The check between the queued size and the
block size is updated to reflect the caching mechanism which can cache
up to a full block size (included!).
Fixes: 809778e02cd4 ("crypto: inside-secure - fix hash when length is a multiple of a block")
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 8fac23b78da5..2951101e1831 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -184,7 +184,7 @@ static int safexcel_ahash_send_req(struct crypto_async_request *async, int ring, int i, queued, len, cache_len, extra, n_cdesc = 0, ret = 0; queued = len = req->len - req->processed; - if (queued < crypto_ahash_blocksize(ahash)) + if (queued <= crypto_ahash_blocksize(ahash)) cache_len = queued; else cache_len = queued - areq->nbytes; |