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crypto: sun8i-ss - Fix error codes for dma_mapping_error()

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If there is a dma_mapping_error() then return negative error codes.
Currently this code returns success.

Fixes: 801b7d572c ("crypto: sun8i-ss - add hmac(sha1)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Carpenter 2022-05-18 20:33:54 +03:00 committed by Herbert Xu
parent d2765e1b9a
commit 6cb3f9b25c
1 changed files with 4 additions and 2 deletions
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6
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
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@ -586,7 +586,8 @@ retry:
rctx->t_dst[k + 1].len = rctx->t_dst[k].len;
}
addr_xpad = dma_map_single(ss->dev, tfmctx->ipad, bs, DMA_TO_DEVICE);
if (dma_mapping_error(ss->dev, addr_xpad)) {
err = dma_mapping_error(ss->dev, addr_xpad);
if (err) {
dev_err(ss->dev, "Fail to create DMA mapping of ipad\n");
goto err_dma_xpad;
}
@ -612,7 +613,8 @@ retry:
goto err_dma_result;
}
addr_xpad = dma_map_single(ss->dev, tfmctx->opad, bs, DMA_TO_DEVICE);
if (dma_mapping_error(ss->dev, addr_xpad)) {
err = dma_mapping_error(ss->dev, addr_xpad);
if (err) {
dev_err(ss->dev, "Fail to create DMA mapping of opad\n");
goto err_dma_xpad;
}