linux-kernel - [PATCH 1/1] crypto: ux500 - Fix error return code in hash_hw

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210508070049.2674-1-thunder.leizhen@huawei.com>
Date:   Sat, 8 May 2021 15:00:49 +0800
From:   Zhen Lei <thunder.leizhen@...wei.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Andreas Westin <andreas.westin@...ricsson.com>,
        "Linus Walleij" <linus.walleij@...aro.org>,
        linux-crypto <linux-crypto@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
CC:     Zhen Lei <thunder.leizhen@...wei.com>
Subject: [PATCH 1/1] crypto: ux500 - Fix error return code in hash_hw_final()

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>
---
 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 ecb7412e84e3..51a6e1a42434 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -1011,6 +1011,7 @@ 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;
-- 
2.25.1