2 files changed, 6 insertions, 7 deletions

diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index c7aa154f4bfc..eb96603d92db 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -259,14 +259,12 @@ static inline void tracehook_finish_clone(struct task_struct *child,
 
 /**
  * tracehook_report_clone - in parent, new child is about to start running
- * @trace:              return value from tracehook_prepare_clone()
  * @regs:               parent's user register state
  * @clone_flags:        flags from parent's system call
  * @pid:                new child's PID in the parent's namespace
  * @child:              new child task
  *
- * Called after a child is set up, but before it has been started
- * running.  @trace is the value returned by tracehook_prepare_clone().
+ * Called after a child is set up, but before it has been started running.
  * This is not a good place to block, because the child has not started
  * yet.  Suspend the child here if desired, and then block in
  * tracehook_report_clone_complete().  This must prevent the child from
@@ -276,13 +274,14 @@ static inline void tracehook_finish_clone(struct task_struct *child,
  *
  * Called with no locks held, but the child cannot run until this returns.
  */
-static inline void tracehook_report_clone(int trace, struct pt_regs *regs,
+static inline void tracehook_report_clone(struct pt_regs *regs,
                                           unsigned long clone_flags,
                                           pid_t pid, struct task_struct *child)
 {
-        if (unlikely(trace) || unlikely(clone_flags & CLONE_PTRACE)) {
+        if (unlikely(task_ptrace(child))) {
                 /*
-                 * The child starts up with an immediate SIGSTOP.
+                 * It doesn't matter who attached/attaching to this
+                 * task, the pending SIGSTOP is right in any case.
                  */
                 sigaddset(&child->pending.signal, SIGSTOP);
                 set_tsk_thread_flag(child, TIF_SIGPENDING);
diff --git a/kernel/fork.c b/kernel/fork.c
index b9e2edd00726..875ffbdd96d0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1409,7 +1409,7 @@ long do_fork(unsigned long clone_flags,
                 }
 
                 audit_finish_fork(p);
-                tracehook_report_clone(trace, regs, clone_flags, nr, p);
+                tracehook_report_clone(regs, clone_flags, nr, p);
 
                 /*
                  * We set PF_STARTING at creation in case tracing wants to