linux-kernel - [PATCH -next 1/5] landlock: expand access_mask

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Date:   Mon, 22 Aug 2022 19:46:57 +0800
From:   Xiu Jianfeng <xiujianfeng@...wei.com>
To:     <mic@...ikod.net>, <paul@...l-moore.com>, <jmorris@...ei.org>,
        <serge@...lyn.com>, <shuah@...nel.org>, <corbet@....net>
CC:     <linux-security-module@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
        <linux-doc@...r.kernel.org>
Subject: [PATCH -next 1/5] landlock: expand access_mask_t to u32 type

u16 is not enough to add more types of restritions, so expand it to u32

Signed-off-by: Xiu Jianfeng <xiujianfeng@...wei.com>
---
 security/landlock/ruleset.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/landlock/ruleset.h b/security/landlock/ruleset.h
index d43231b783e4..607b3dc0ef19 100644
--- a/security/landlock/ruleset.h
+++ b/security/landlock/ruleset.h
@@ -19,7 +19,7 @@
 #include "limits.h"
 #include "object.h"
 
-typedef u16 access_mask_t;
+typedef u32 access_mask_t;
 /* Makes sure all filesystem access rights can be stored. */
 static_assert(BITS_PER_TYPE(access_mask_t) >= LANDLOCK_NUM_ACCESS_FS);
 /* Makes sure for_each_set_bit() and for_each_clear_bit() calls are OK. */
-- 
2.17.1