linux-kernel - [PATCH] mm: Remove unwanted initialization in vmemmap_populate_compound

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: <20220612182320.160651-1-gautammenghani201@gmail.com>
Date:   Sun, 12 Jun 2022 11:23:20 -0700
From:   Gautam Menghani <gautammenghani201@...il.com>
To:     akpm@...ux-foundation.org
Cc:     Gautam Menghani <gautammenghani201@...il.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] mm: Remove unwanted initialization in vmemmap_populate_compound_pages()

Remove unwanted initialization for the variable 'next'. This fixes the
clang scan warning: Value stored to 'next' during its initialization is 
never read [deadcode.DeadStores]

Signed-off-by: Gautam Menghani <gautammenghani201@...il.com>
---
 mm/sparse-vmemmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index f4fa61dbbee3..3008aa7859e0 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -737,7 +737,7 @@ static int __meminit vmemmap_populate_compound_pages(unsigned long start_pfn,
 
 	size = min(end - start, pgmap_vmemmap_nr(pgmap) * sizeof(struct page));
 	for (addr = start; addr < end; addr += size) {
-		unsigned long next = addr, last = addr + size;
+		unsigned long next, last = addr + size;
 
 		/* Populate the head page vmemmap page */
 		pte = vmemmap_populate_address(addr, node, NULL, NULL);
-- 
2.25.1