dma_map_sg return 0 on error, and dma_map_error is not supposed to use
here.
Cc: Gilad Ben-Yossef <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: [email protected]
Cc: [email protected]
Fixes: ce0fc6db38de ("crypto: ccree - protect against empty or NULL scatterlists")
Signed-off-by: Jack Wang <[email protected]>
Signed-off-by: Gilad Ben-Yossef <[email protected]>
---
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