From f7ef7de6b9bcec1314af2cdcfd0c952eadd6a779 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Micka=C3=ABl=20Sala=C3=BCn?= <mic@digikod.net>
Date: Fri, 28 Nov 2025 18:21:57 +0100
Subject: [PATCH] landlock: Improve variable scope
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This is now possible thanks to the disconnected directory fix.

Cc: Günther Noack <gnoack@google.com>
Cc: Song Liu <song@kernel.org>
Cc: Tingmao Wang <m@maowtm.org>
Link: https://lore.kernel.org/r/20251128172200.760753-3-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
---
 security/landlock/fs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/security/landlock/fs.c b/security/landlock/fs.c
index 2521acde6039f..6fadb54496a06 100644
--- a/security/landlock/fs.c
+++ b/security/landlock/fs.c
@@ -838,7 +838,6 @@ static bool is_access_to_paths_allowed(
 	 * restriction.
 	 */
 	while (true) {
-		struct dentry *parent_dentry;
 		const struct landlock_rule *rule;
 
 		/*
@@ -931,7 +930,9 @@ jump_up:
 			walker_path.dentry = walker_path.mnt->mnt_root;
 			dget(walker_path.dentry);
 		} else {
-			parent_dentry = dget_parent(walker_path.dentry);
+			struct dentry *const parent_dentry =
+				dget_parent(walker_path.dentry);
+
 			dput(walker_path.dentry);
 			walker_path.dentry = parent_dentry;
 		}
-- 
2.47.3