dma_map_sg return 0 on error, fix the error check and return -EIO to
caller.
Cc: Thara Gopinath <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Fixes: ec8f5d8f6f76 ("crypto: qce - Qualcomm crypto engine driver")
Signed-off-by: Jack Wang <[email protected]>
---
drivers/crypto/qce/aead.c | 4 ++--
drivers/crypto/qce/sha.c | 8 +++++---
drivers/crypto/qce/skcipher.c | 8 ++++----
3 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/drivers/crypto/qce/aead.c b/drivers/crypto/qce/aead.c
index 97a530171f07..6eb4d2e35629 100644
--- a/drivers/crypto/qce/aead.c
+++ b/drivers/crypto/qce/aead.c
@@ -450,8 +450,8 @@ qce_aead_async_req_handle(struct crypto_async_request *async_req)
if (ret)
return ret;
dst_nents = dma_map_sg(qce->dev, rctx->dst_sg, rctx->dst_nents, dir_dst);
- if (dst_nents < 0) {
- ret = dst_nents;
+ if (!dst_nents) {
+ ret = -EIO;
goto error_free;
}
diff --git a/drivers/crypto/qce/sha.c b/drivers/crypto/qce/sha.c
index 59159f5e64e5..37bafd7aeb79 100644
--- a/drivers/crypto/qce/sha.c
+++ b/drivers/crypto/qce/sha.c
@@ -97,14 +97,16 @@ static int qce_ahash_async_req_handle(struct crypto_async_request *async_req)
}
ret = dma_map_sg(qce->dev, req->src, rctx->src_nents, DMA_TO_DEVICE);
- if (ret < 0)
- return ret;
+ if (!ret)
+ return -EIO;
sg_init_one(&rctx->result_sg, qce->dma.result_buf, QCE_RESULT_BUF_SZ);
ret = dma_map_sg(qce->dev, &rctx->result_sg, 1, DMA_FROM_DEVICE);
- if (ret < 0)
+ if (!ret) {
+ ret = -EIO;
goto error_unmap_src;
+ }
ret = qce_dma_prep_sgs(&qce->dma, req->src, rctx->src_nents,
&rctx->result_sg, 1, qce_ahash_done, async_req);
diff --git a/drivers/crypto/qce/skcipher.c b/drivers/crypto/qce/skcipher.c
index 3d27cd5210ef..5b493fdc1e74 100644
--- a/drivers/crypto/qce/skcipher.c
+++ b/drivers/crypto/qce/skcipher.c
@@ -124,15 +124,15 @@ qce_skcipher_async_req_handle(struct crypto_async_request *async_req)
rctx->dst_sg = rctx->dst_tbl.sgl;
dst_nents = dma_map_sg(qce->dev, rctx->dst_sg, rctx->dst_nents, dir_dst);
- if (dst_nents < 0) {
- ret = dst_nents;
+ if (!dst_nents) {
+ ret = -EIO;
goto error_free;
}
if (diff_dst) {
src_nents = dma_map_sg(qce->dev, req->src, rctx->src_nents, dir_src);
- if (src_nents < 0) {
- ret = src_nents;
+ if (!src_nents) {
+ ret = -EIO;
goto error_unmap_dst;
}
rctx->src_sg = req->src;
--
2.34.1