diff options
| -rw-r--r-- | drivers/crypto/atmel-tdes.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c index abbf1b7a75ab..8380e0ab149a 100644 --- a/drivers/crypto/atmel-tdes.c +++ b/drivers/crypto/atmel-tdes.c @@ -682,6 +682,9 @@ static int atmel_tdes_crypt(struct skcipher_request *req, unsigned long mode) struct atmel_tdes_reqctx *rctx = skcipher_request_ctx(req); struct device *dev = ctx->dd->dev; + if (!req->cryptlen) + return 0; + switch (mode & TDES_FLAGS_OPMODE_MASK) { case TDES_FLAGS_CFB8: if (!IS_ALIGNED(req->cryptlen, CFB8_BLOCK_SIZE)) { |