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capabilities: remove cap_mmap_file()

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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>
This commit is contained in:
Paul Moore 2024-09-25 15:20:19 -04:00 committed by Serge Hallyn
parent 40384c840e
commit 3f4f1f8a1a
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1 changed files with 0 additions and 7 deletions
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7
security/commoncap.c
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@ -1428,12 +1428,6 @@ int cap_mmap_addr(unsigned long addr)
return ret; return ret;
} }
int cap_mmap_file(struct file *file, unsigned long reqprot,
unsigned long prot, unsigned long flags)
{
return 0;
}
#ifdef CONFIG_SECURITY #ifdef CONFIG_SECURITY
static const struct lsm_id capability_lsmid = { 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_killpriv, cap_inode_killpriv),
LSM_HOOK_INIT(inode_getsecurity, cap_inode_getsecurity), LSM_HOOK_INIT(inode_getsecurity, cap_inode_getsecurity),
LSM_HOOK_INIT(mmap_addr, cap_mmap_addr), 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_fix_setuid, cap_task_fix_setuid),
LSM_HOOK_INIT(task_prctl, cap_task_prctl), LSM_HOOK_INIT(task_prctl, cap_task_prctl),
LSM_HOOK_INIT(task_setscheduler, cap_task_setscheduler), LSM_HOOK_INIT(task_setscheduler, cap_task_setscheduler),