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| author |   Jack Wang <jinpu.wang@ionos.com> | 2022-08-19 08:07:53 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2022-08-26 18:50:40 +0800 |
| commit | 2b02187bdb0bb75000850bd0309e70eb8664159e (patch) | |
| tree | 55797dea09eaeebfec72c3fea9ab366c9e83daa3 /drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | |
| parent | crypto: amlogic - Fix dma_map_sg error check (diff) | |
| download | linux-dev-2b02187bdb0bb75000850bd0309e70eb8664159e.tar.xz linux-dev-2b02187bdb0bb75000850bd0309e70eb8664159e.zip | |
crypto: allwinner - Fix dma_map_sg error check
dma_map_sg return 0 on error.
Cc: Corentin Labbe <clabbe.montjoie@gmail.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Minghao Chi <chi.minghao@zte.com.cn>
Cc: Peng Wu <wupeng58@huawei.com>
Cc: Alexey Khoroshilov <khoroshilov@ispras.ru>
Cc: linux-crypto@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@lists.linux.dev
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c index 36a82b22953c..fcb8c41cc957 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-hash.c @@ -527,7 +527,7 @@ int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq) rctx->method = ss->variant->alg_hash[algt->ss_algo_id]; nr_sgs = dma_map_sg(ss->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); - if (nr_sgs <= 0 || nr_sgs > MAX_SG) { + if (!nr_sgs || nr_sgs > MAX_SG) { dev_err(ss->dev, "Invalid sg number %d\n", nr_sgs); err = -EINVAL; goto theend; |