# \[PATCH\] evm: mark evm\_fixmode as \_\_ro\_after\_init

- From: Austin Kim \<hidden\>
- Date: 2021-10-28 11:26:52 
- List: linux-integrity
- Page: https://ratatoskr.run/linux-integrity/2021/10/1556730
- Thread: https://ratatoskr.run/linux-integrity/2021/10/1556730/t.md

```text
From: Austin Kim <redacted>

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>
---
 security/integrity/evm/evm_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index 1c8435dfabee..08f907382c61 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -78,7 +78,7 @@ static struct xattr_list evm_config_default_xattrnames[] = {
 
 LIST_HEAD(evm_config_xattrnames);
 
-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)
-- 
2.20.1

```