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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@benyossef.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org

Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jack Wang 2022-08-19 08:07:54 +02:00 committed by Herbert Xu
parent 2b02187bdb
commit 9b32fed8d6
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/ccree/cc_buffer_mgr.c
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@ -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;