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authorJack Wang <[email protected]>2022-08-19 08:07:54 +0200
committerHerbert Xu <[email protected]>2022-08-26 18:50:40 +0800
commit9b32fed8d6715207a0a2cd42f48a147d203a7576 (patch)
tree12aa4564d31bb67feaff663c0060a689103c1084
parent2b02187bdb0bb75000850bd0309e70eb8664159e (diff)
crypto: ccree - Fix dma_map_sg error check
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] Signed-off-by: Jack Wang <[email protected]> Signed-off-by: Gilad Ben-Yossef <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
-rw-r--r--drivers/crypto/ccree/cc_buffer_mgr.c2
1 files changed, 1 insertions, 1 deletions
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;