[PATCH 4.9 037/207] evm: mark evm_fixmode as __ro_after_init

From
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date
2021-11-24 12:14:04
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Greg Kroah-Hartman, 2021-11-24
From: Austin Kim <redacted>

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 <redacted>
Cc: <redacted>
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)

Thread (217 messages) 217 messages, 4 authors, last reply 2021-11-25
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