From: Dan Carpenter <dan.carpenter@oracle.com>
To: Corentin Labbe <clabbe.montjoie@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
linux-crypto@vger.kernel.org, linux-sunxi@lists.linux.dev,
kernel-janitors@vger.kernel.org
Subject: [PATCH] crypto: sun8i-ss - Fix error codes for dma_mapping_error()
Date: Wed, 18 May 2022 20:33:54 +0300 [thread overview]
Message-ID: <YoUuAsJndw7aLn+S@kili> (raw)
If there is a dma_mapping_error() then return negative error codes.
Currently this code returns success.
Fixes: 801b7d572c0a ("crypto: sun8i-ss - add hmac(sha1)")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
index ac417a6b39e5..845019bd9591 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c
@@ -586,7 +586,8 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
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 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq)
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;
}
--
2.35.1
next reply other threads:[~2022-05-18 17:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-18 17:33 Dan Carpenter [this message]
2022-05-28 13:02 ` [PATCH] crypto: sun8i-ss - Fix error codes for dma_mapping_error() Corentin Labbe
2022-06-10 9:14 ` Herbert Xu
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