ptrace: s/tracehook_tracer_task()/ptrace_parent()/

tracehook.h is on the way out.  Rename tracehook_tracer_task() to
ptrace_parent() and move it from tracehook.h to ptrace.h.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: John Johansen <john.johansen@canonical.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

2 files changed, 3 insertions, 3 deletions

diff --git a/security/apparmor/domain.c b/security/apparmor/domain.c
index c825c6e0b636..7312bf9f7afc 100644
--- a/security/apparmor/domain.c
+++ b/security/apparmor/domain.c
@@ -67,7 +67,7 @@ static int may_change_ptraced_domain(struct task_struct *task,
         int error = 0;
 
         rcu_read_lock();
-        tracer = tracehook_tracer_task(task);
+        tracer = ptrace_parent(task);
         if (tracer) {
                 /* released below */
                 cred = get_task_cred(tracer);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index a0d38459d650..fc07d18ed6fc 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2048,7 +2048,7 @@ static int selinux_bprm_set_creds(struct linux_binprm *bprm)
                         u32 ptsid = 0;
 
                         rcu_read_lock();
-                        tracer = tracehook_tracer_task(current);
+                        tracer = ptrace_parent(current);
                         if (likely(tracer != NULL)) {
                                 sec = __task_cred(tracer)->security;
                                 ptsid = sec->sid;
@@ -5314,7 +5314,7 @@ static int selinux_setprocattr(struct task_struct *p,
                    Otherwise, leave SID unchanged and fail. */
                 ptsid = 0;
                 task_lock(p);
-                tracer = tracehook_tracer_task(p);
+                tracer = ptrace_parent(p);
                 if (tracer)
                         ptsid = task_sid(tracer);
                 task_unlock(p);