[PATCH v1 12/19] crypto: ccree: Fix dma_map_sg error check

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dma_map_sg return 0 on error, and dma_map_error is not supposed to use
here.

Cc: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
Cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: linux-crypto@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx

Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx>
---
 drivers/crypto/ccree/cc_buffer_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/ccree/cc_buffer_mgr.c b/drivers/crypto/ccree/cc_buffer_mgr.c
index 6140e4927322..9efd88f871d1 100644
--- a/drivers/crypto/ccree/cc_buffer_mgr.c
+++ b/drivers/crypto/ccree/cc_buffer_mgr.c
@@ -274,7 +274,7 @@ static int cc_map_sg(struct device *dev, struct scatterlist *sg,
 	}
 
 	ret = dma_map_sg(dev, sg, *nents, direction);
-	if (dma_mapping_error(dev, ret)) {
+	if (!ret) {
 		*nents = 0;
 		dev_err(dev, "dma_map_sg() sg buffer failed %d\n", ret);
 		return -ENOMEM;
-- 
2.34.1




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