diff options
Diffstat (limited to 'drivers/crypto/qce/sha.c')
| -rw-r--r-- | drivers/crypto/qce/sha.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c index 0c9973ec80eb..47e114ac09d0 100644 --- a/drivers/crypto/qce/sha.c +++ b/drivers/crypto/qce/sha.c @@ -92,6 +92,11 @@ static int qce_ahash_async_req_handle(struct crypto_async_request *async_req) } rctx->src_nents = sg_nents_for_len(req->src, req->nbytes); + if (rctx->src_nents < 0) { + dev_err(qce->dev, "Invalid numbers of src SG.\n"); + return rctx->src_nents; + } + ret = dma_map_sg(qce->dev, req->src, rctx->src_nents, DMA_TO_DEVICE); if (ret < 0) return ret; |