diff options
| -rw-r--r-- | drivers/crypto/omap-des.c | 3 |
1 files changed, 3 insertions, 0 deletions
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; |