Re: [PATCH v4 3/6] integrity: remove global variable from machine_keyring.c

[R Nageswara Sastry]

On 15/08/23 4:57 pm, Nayna Jain wrote:

trust_mok variable is accessed within a single function locally.

Change trust_mok from global to local static variable.

Signed-off-by: Nayna Jain <na...@linux.ibm.com>
Reviewed-and-tested-by: Mimi Zohar <zo...@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jar...@kernel.org>

Tested with trustedcadb, moduledb scenarios
Tested-by: Nageswara R Sastry <rnsas...@linux.ibm.com>

---
  security/integrity/platform_certs/machine_keyring.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/integrity/platform_certs/machine_keyring.c 
b/security/integrity/platform_certs/machine_keyring.c
index 389a6e7c9245..9482e16cb2ca 100644
--- a/security/integrity/platform_certs/machine_keyring.c
+++ b/security/integrity/platform_certs/machine_keyring.c
@@ -8,8 +8,6 @@
  #include <linux/efi.h>
  #include "../integrity.h"

-static bool trust_mok;

-
  static __init int machine_keyring_init(void)
  {
        int rc;
@@ -65,9 +63,11 @@ static __init bool uefi_check_trust_mok_keys(void)
  bool __init trust_moklist(void)
  {
        static bool initialized;
+       static bool trust_mok;

if (!initialized) {

                initialized = true;
+               trust_mok = false;

if (uefi_check_trust_mok_keys())

                        trust_mok = true;

--
Thanks and Regards
R.Nageswara Sastry