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Message-Id: <20210712060906.681873615@linuxfoundation.org>
Date: Mon, 12 Jul 2021 08:06:16 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
Zhen Lei <thunder.leizhen@...wei.com>,
Linus Walleij <linus.walleij@...aro.org>,
Herbert Xu <herbert@...dor.apana.org.au>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 216/593] crypto: ux500 - Fix error return code in hash_hw_final()
From: Zhen Lei <thunder.leizhen@...wei.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@...wei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@...nel.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
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