linux-kernel - [PATCH] crypto: algboss: remove NULL check in cryptomgr_schedule

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]

Date: Wed, 6 Mar 2024 10:29:08 +0300
From: Roman Smirnov <r.smirnov@....ru>
To: Herbert Xu <herbert@...dor.apana.org.au>, "David S. Miller"
	<davem@...emloft.net>
CC: Roman Smirnov <r.smirnov@....ru>, Sergey Shtylyov <s.shtylyov@....ru>,
	Karina Yankevich <k.yankevich@....ru>, <linux-crypto@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <lvc-project@...uxtesting.org>
Subject: [PATCH] crypto: algboss: remove NULL check in cryptomgr_schedule_probe()

The variable i will never be zero, so the check can be removed.

Found by Linux Verification Center (linuxtesting.org) with Svace.

Signed-off-by: Roman Smirnov <r.smirnov@....ru>
Reviewed-by: Sergey Shtylyov <s.shtylyov@....ru>
---
 crypto/algboss.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/crypto/algboss.c b/crypto/algboss.c
index 0de1e6697949..1aa5f306998a 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -138,9 +138,6 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)
 			goto err_free_param;
 	}
 
-	if (!i)
-		goto err_free_param;
-
 	param->tb[i + 1] = NULL;
 
 	param->type.attr.rta_len = sizeof(param->type);
-- 
2.34.1