If no data is provided for DES request, just return immediately. No processing is needed in this case. Signed-off-by: Tero Kristo <t-kristo@xxxxxx> --- drivers/crypto/omap-des.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 31fc9300b990..8eda43319204 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -637,6 +637,9 @@ static int omap_des_crypt(struct skcipher_request *req, unsigned long mode) !!(mode & FLAGS_ENCRYPT), !!(mode & FLAGS_CBC)); + if (!req->cryptlen) + return 0; + if (!IS_ALIGNED(req->cryptlen, DES_BLOCK_SIZE)) return -EINVAL; -- 2.17.1 -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
