'dma_mapping_error' return a negative value if 'dma_addr' is equal to
'DMA_MAPPING_ERROR' not zero, so fix initialization of 'dma_addr'.
Signed-off-by: Hui Tang <tanghui20@xxxxxxxxxx>
---
drivers/crypto/qat/qat_common/qat_algs.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index ff78c73..ea1c689 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -719,7 +719,7 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
struct qat_alg_buf_list *bufl;
struct qat_alg_buf_list *buflout = NULL;
dma_addr_t blp;
- dma_addr_t bloutp = 0;
+ dma_addr_t bloutp;
struct scatterlist *sg;
size_t sz_out, sz = struct_size(bufl, bufers, n + 1);
@@ -731,6 +731,9 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
if (unlikely(!bufl))
return -ENOMEM;
+ for_each_sg(sgl, sg, n, i)
+ bufl->bufers[i].addr = DMA_MAPPING_ERROR;
+
blp = dma_map_single(dev, bufl, sz, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, blp)))
goto err_in;
@@ -764,10 +767,14 @@ static int qat_alg_sgl_to_bufl(struct qat_crypto_instance *inst,
dev_to_node(&GET_DEV(inst->accel_dev)));
if (unlikely(!buflout))
goto err_in;
+
+ bufers = buflout->bufers;
+ for_each_sg(sglout, sg, n, i)
+ bufers[i].addr = DMA_MAPPING_ERROR;
+
bloutp = dma_map_single(dev, buflout, sz_out, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(dev, bloutp)))
goto err_out;
- bufers = buflout->bufers;
for_each_sg(sglout, sg, n, i) {
int y = sg_nctr;
--
2.8.1
