diff options
Diffstat (limited to 'drivers/crypto/ccp/ccp-crypto-aes-cmac.c')
| -rw-r--r-- | drivers/crypto/ccp/ccp-crypto-aes-cmac.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c index 646c8d1bd03c..c6b8f9e56aab 100644 --- a/drivers/crypto/ccp/ccp-crypto-aes-cmac.c +++ b/drivers/crypto/ccp/ccp-crypto-aes-cmac.c @@ -43,7 +43,9 @@ static int ccp_aes_cmac_complete(struct crypto_async_request *async_req, } else rctx->buf_count = 0; - memcpy(req->result, rctx->iv, digest_size); + /* Update result area if supplied */ + if (req->result) + memcpy(req->result, rctx->iv, digest_size); e_free: sg_free_table(&rctx->data_sg); |