linux-kernel - [PATCH 01/15] nilfs2: convert recovery logic to use kmap

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

Message-Id: <20240122140202.6950-2-konishi.ryusuke@gmail.com>
Date: Mon, 22 Jan 2024 23:01:48 +0900
From: Ryusuke Konishi <konishi.ryusuke@...il.com>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-nilfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 01/15] nilfs2: convert recovery logic to use kmap_local

In the recovery function when mounting, nilfs_recovery_copy_block() uses
the deprecated kmap_atomic(), so convert it to use kmap_local.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@...il.com>
---
 fs/nilfs2/recovery.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index 0955b657938f..b86b2cfb662f 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -481,9 +481,9 @@ static int nilfs_recovery_copy_block(struct the_nilfs *nilfs,
 	if (unlikely(!bh_org))
 		return -EIO;
 
-	kaddr = kmap_atomic(page);
+	kaddr = kmap_local_page(page);
 	memcpy(kaddr + bh_offset(bh_org), bh_org->b_data, bh_org->b_size);
-	kunmap_atomic(kaddr);
+	kunmap_local(kaddr);
 	brelse(bh_org);
 	return 0;
 }
-- 
2.34.1