| From 9ec271c7e5ff018c6777f2dda813755f9c57dfbb Mon Sep 17 00:00:00 2001 |
| From: Sasha Levin <sashal@kernel.org> |
| Date: Sat, 8 May 2021 15:00:49 +0800 |
| Subject: crypto: ux500 - Fix error return code in hash_hw_final() |
| |
| From: Zhen Lei <thunder.leizhen@huawei.com> |
| |
| [ Upstream commit b01360384009ab066940b45f34880991ea7ccbfb ] |
| |
| Fix to return a negative error code from the error handling |
| case instead of 0, as done elsewhere in this function. |
| |
| Fixes: 8a63b1994c50 ("crypto: ux500 - Add driver for HASH hardware") |
| Reported-by: Hulk Robot <hulkci@huawei.com> |
| Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> |
| Reviewed-by: Linus Walleij <linus.walleij@linaro.org> |
| Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
| Signed-off-by: Sasha Levin <sashal@kernel.org> |
| --- |
| drivers/crypto/ux500/hash/hash_core.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c |
| index 3d407eebb2ba..1e2daf403032 100644 |
| --- a/drivers/crypto/ux500/hash/hash_core.c |
| +++ b/drivers/crypto/ux500/hash/hash_core.c |
| @@ -1009,6 +1009,7 @@ static int hash_hw_final(struct ahash_request *req) |
| goto out; |
| } |
| } else if (req->nbytes == 0 && ctx->keylen > 0) { |
| + ret = -EPERM; |
| dev_err(device_data->dev, "%s: Empty message with keylength > 0, NOT supported\n", |
| __func__); |
| goto out; |
| -- |
| 2.30.2 |
| |
