diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_algs.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c index 868fefa9bb65..2842b2cdaa90 100644 --- a/drivers/crypto/qat/qat_common/qat_algs.c +++ b/drivers/crypto/qat/qat_common/qat_algs.c @@ -1058,6 +1058,9 @@ static int qat_alg_ablkcipher_encrypt(struct ablkcipher_request *req) struct device *dev = &GET_DEV(ctx->inst->accel_dev); int ret, ctr = 0; + if (req->nbytes == 0) + return 0; + qat_req->iv = dma_alloc_coherent(dev, AES_BLOCK_SIZE, &qat_req->iv_paddr, GFP_ATOMIC); if (!qat_req->iv) @@ -1115,6 +1118,9 @@ static int qat_alg_ablkcipher_decrypt(struct ablkcipher_request *req) struct device *dev = &GET_DEV(ctx->inst->accel_dev); int ret, ctr = 0; + if (req->nbytes == 0) + return 0; + qat_req->iv = dma_alloc_coherent(dev, AES_BLOCK_SIZE, &qat_req->iv_paddr, GFP_ATOMIC); if (!qat_req->iv) |