capabilities: remove cap_mmap_file()
authorPaul Moore <paul@paul-moore.com>
Wed, 25 Sep 2024 19:20:19 +0000 (15:20 -0400)
committerSerge Hallyn <sergeh@kernel.org>
Thu, 5 Dec 2024 02:56:28 +0000 (20:56 -0600)
The cap_mmap_file() LSM callback returns the default value for the
security_mmap_file() LSM hook and can be safely removed.

Signed-off-by: Paul Moore <paul@paul-moore.com>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Reviewed-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: Serge Hallyn <sergeh@kernel.org>
security/commoncap.c

index cefad323a0b1b76908d28d1d4335471db0c796ea..3d103069903b0302f637f1e72171efb2fd803d39 100644 (file)
@@ -1428,12 +1428,6 @@ int cap_mmap_addr(unsigned long addr)
        return ret;
 }
 
-int cap_mmap_file(struct file *file, unsigned long reqprot,
-                 unsigned long prot, unsigned long flags)
-{
-       return 0;
-}
-
 #ifdef CONFIG_SECURITY
 
 static const struct lsm_id capability_lsmid = {
@@ -1453,7 +1447,6 @@ static struct security_hook_list capability_hooks[] __ro_after_init = {
        LSM_HOOK_INIT(inode_killpriv, cap_inode_killpriv),
        LSM_HOOK_INIT(inode_getsecurity, cap_inode_getsecurity),
        LSM_HOOK_INIT(mmap_addr, cap_mmap_addr),
-       LSM_HOOK_INIT(mmap_file, cap_mmap_file),
        LSM_HOOK_INIT(task_fix_setuid, cap_task_fix_setuid),
        LSM_HOOK_INIT(task_prctl, cap_task_prctl),
        LSM_HOOK_INIT(task_setscheduler, cap_task_setscheduler),