diff options
Diffstat (limited to 'drivers/crypto/caam/caamalg.c')
| -rw-r--r-- | drivers/crypto/caam/caamalg.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index a79b26f84169..e72aa3e2e065 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1787,7 +1787,12 @@ static inline int skcipher_crypt(struct skcipher_request *req, bool encrypt) u32 *desc; int ret = 0; - if (!req->cryptlen) + /* + * XTS is expected to return an error even for input length = 0 + * Note that the case input length < block size will be caught during + * HW offloading and return an error. + */ + if (!req->cryptlen && !ctx->fallback) return 0; if (ctx->fallback && (xts_skcipher_ivsize(req) || |