From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Austin Kim <austin.kim@lge.com>,
        Mimi Zohar <zohar@linux.ibm.com>
Subject: [PATCH 4.9 037/207] evm: mark evm_fixmode as __ro_after_init
Date:   Wed, 24 Nov 2021 12:55:08 +0100
Message-Id: <20211124115705.144354209@linuxfoundation.org>
In-Reply-To: <20211124115703.941380739@linuxfoundation.org>
References: <20211124115703.941380739@linuxfoundation.org>
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From: Austin Kim <austin.kim@lge.com>

commit 32ba540f3c2a7ef61ed5a577ce25069a3d714fc9 upstream.

The evm_fixmode is only configurable by command-line option and it is never
modified outside initcalls, so declaring it with __ro_after_init is better.

Signed-off-by: Austin Kim <austin.kim@lge.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 security/integrity/evm/evm_main.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -54,7 +54,7 @@ char *evm_config_xattrnames[] = {
 	NULL
 };
 
-static int evm_fixmode;
+static int evm_fixmode __ro_after_init;
 static int __init evm_set_fixmode(char *str)
 {
 	if (strncmp(str, "fix", 3) == 0)