ptrace: kill task_ptrace()

task_ptrace(task) simply dereferences task->ptrace and isn't even used
consistently only adding confusion.  Kill it and directly access
->ptrace instead.

This doesn't introduce any behavior change.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

1 files changed, 0 insertions, 11 deletions

diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 4f224f169524..3ff20b322598 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -146,17 +146,6 @@ int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr,
                             unsigned long data);
 
 /**
- * task_ptrace - return %PT_* flags that apply to a task
- * @task:       pointer to &task_struct in question
- *
- * Returns the %PT_* flags that apply to @task.
- */
-static inline int task_ptrace(struct task_struct *task)
-{
-        return task->ptrace;
-}
-
-/**
  * ptrace_event - possibly stop for a ptrace event notification
  * @mask:       %PT_* bit to check in @current->ptrace
  * @event:      %PTRACE_EVENT_* value to report if @mask is set