linux-kernel - [PATCH] smack: mark 'smack_enabled' global variable as _

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Message-ID: <20210629134144.GA1168@raspberrypi>
Date:   Tue, 29 Jun 2021 14:41:44 +0100
From:   Austin Kim <austindh.kim@...il.com>
To:     casey@...aufler-ca.com, jmorris@...ei.org, serge@...lyn.com
Cc:     linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@....com,
        austindh.kim@...il.com
Subject: [PATCH] smack: mark 'smack_enabled' global variable as __initdata

From: Austin Kim <austin.kim@....com>

Mark 'smack_enabled' as __initdata
since it is only used during initialization code.

Signed-off-by: Austin Kim <austin.kim@....com>
---
 security/smack/smack.h     | 2 +-
 security/smack/smack_lsm.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/smack/smack.h b/security/smack/smack.h
index c3cfbdf4944a..99c3422596ab 100644
--- a/security/smack/smack.h
+++ b/security/smack/smack.h
@@ -302,7 +302,7 @@ int smack_populate_secattr(struct smack_known *skp);
 /*
  * Shared data.
  */
-extern int smack_enabled;
+extern int smack_enabled __initdata;
 extern int smack_cipso_direct;
 extern int smack_cipso_mapped;
 extern struct smack_known *smack_net_ambient;
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 223a6da0e6dc..cacbe7518519 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -54,7 +54,7 @@
 static DEFINE_MUTEX(smack_ipv6_lock);
 static LIST_HEAD(smk_ipv6_port_list);
 struct kmem_cache *smack_rule_cache;
-int smack_enabled;
+int smack_enabled __initdata;
 
 #define A(s) {"smack"#s, sizeof("smack"#s) - 1, Opt_##s}
 static struct {
-- 
2.20.1