LSM: Convert from initcall to struct lsm_info

In preparation for doing more interesting LSM init probing, this converts
the existing initcall system into an explicit call into a function pointer
from a section-collected struct lsm_info array.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: James Morris <james.morris@microsoft.com>
Reviewed-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: James Morris <james.morris@microsoft.com>
This commit is contained in:
Kees Cook 2018-10-10 17:18:21 -07:00 committed by James Morris
parent 6907e3746f
commit 5b89c1bd4c
5 changed files with 18 additions and 12 deletions

View file

@ -43,16 +43,12 @@ char *lsm_names;
static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
CONFIG_DEFAULT_SECURITY;
static void __init do_security_initcalls(void)
static void __init major_lsm_init(void)
{
initcall_t call;
initcall_entry_t *ce;
struct lsm_info *lsm;
ce = __start_lsm_info;
while (ce < __end_lsm_info) {
call = initcall_from_entry(ce);
call();
ce++;
for (lsm = __start_lsm_info; lsm < __end_lsm_info; lsm++) {
lsm->init();
}
}
@ -82,7 +78,7 @@ int __init security_init(void)
/*
* Load all the remaining security modules.
*/
do_security_initcalls();
major_lsm_init();
return 0;
}