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| author | Iuliana Prodan <iuliana.prodan@nxp.com> | 2019-07-31 15:08:08 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2019-08-09 07:11:48 +0200 |
| commit | 31bb2f0da1b5099732337d9ecef792ab67970ddf (patch) | |
| tree | 3de625f0318837b3562d2254adcb26a16b96a155 /drivers/crypto/caam/caamalg_qi.c | |
| parent | crypto: caam - check assoclen (diff) | |
| download | linux-31bb2f0da1b5099732337d9ecef792ab67970ddf.tar.xz linux-31bb2f0da1b5099732337d9ecef792ab67970ddf.zip | |
crypto: caam - check zero-length input
Check zero-length input, for skcipher algorithm, to solve the extra
tests. This is a valid operation, therefore the API will return no error.
Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam/caamalg_qi.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg_qi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/crypto/caam/caamalg_qi.c b/drivers/crypto/caam/caamalg_qi.c index 215802017d53..e63b2f719695 100644 --- a/drivers/crypto/caam/caamalg_qi.c +++ b/drivers/crypto/caam/caamalg_qi.c @@ -1445,6 +1445,9 @@ static inline int skcipher_crypt(struct skcipher_request *req, bool encrypt) struct caam_ctx *ctx = crypto_skcipher_ctx(skcipher); int ret; + if (!req->cryptlen) + return 0; + if (unlikely(caam_congested)) return -EAGAIN; |