linux-kernel - [PATCH -next] mm/mprotect: Remove the redundant initialization for error

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>] [day] [month] [year] [list]

Message-ID: <20220704114112.163112-1-xiujianfeng@huawei.com>
Date:   Mon, 4 Jul 2022 19:41:12 +0800
From:   Xiu Jianfeng <xiujianfeng@...wei.com>
To:     <akpm@...ux-foundation.org>
CC:     <linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] mm/mprotect: Remove the redundant initialization for error

The variable error will be assigned correctly before it is used, the
initialization is redundant, so remove it.

Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 mm/mprotect.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mprotect.c b/mm/mprotect.c
index 041beeb5fad6..0420c3ed936c 100644
--- a/mm/mprotect.c
+++ b/mm/mprotect.c
@@ -663,7 +663,7 @@ static int do_mprotect_pkey(unsigned long start, size_t len,
 {
 	unsigned long nstart, end, tmp, reqprot;
 	struct vm_area_struct *vma, *prev;
-	int error = -EINVAL;
+	int error;
 	const int grows = prot & (PROT_GROWSDOWN|PROT_GROWSUP);
 	const bool rier = (current->personality & READ_IMPLIES_EXEC) &&
 				(prot & PROT_READ);
-- 
2.17.1