diff options
| author | Tejun Heo <tj@kernel.org> | 2011-06-17 16:50:34 +0200 |
|---|---|---|
| committer | Oleg Nesterov <oleg@redhat.com> | 2011-06-22 19:26:27 +0200 |
| commit | d21142ece414ce1088cfcae760689aa60d6fee80 (patch) | |
| tree | 9f97b4518cd06fe695476fc6cc4ff9ed8d5bdd58 /kernel/exit.c | |
| parent | ptrace: implement PTRACE_LISTEN (diff) | |
| download | linux-d21142ece414ce1088cfcae760689aa60d6fee80.tar.xz linux-d21142ece414ce1088cfcae760689aa60d6fee80.zip | |
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>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 289f59d686bf..e5cc05644609 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -765,7 +765,7 @@ static void reparent_leader(struct task_struct *father, struct task_struct *p, p->exit_signal = SIGCHLD; /* If it has exited notify the new parent about this child's death. */ - if (!task_ptrace(p) && + if (!p->ptrace && p->exit_state == EXIT_ZOMBIE && thread_group_empty(p)) { do_notify_parent(p, p->exit_signal); if (task_detached(p)) { @@ -795,7 +795,7 @@ static void forget_original_parent(struct task_struct *father) do { t->real_parent = reaper; if (t->parent == father) { - BUG_ON(task_ptrace(t)); + BUG_ON(t->ptrace); t->parent = t->real_parent; } if (t->pdeath_signal) @@ -1565,7 +1565,7 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace, * Notification and reaping will be cascaded to the real * parent when the ptracer detaches. */ - if (likely(!ptrace) && unlikely(task_ptrace(p))) { + if (likely(!ptrace) && unlikely(p->ptrace)) { /* it will become visible, clear notask_error */ wo->notask_error = 0; return 0; @@ -1608,7 +1608,7 @@ static int wait_consider_task(struct wait_opts *wo, int ptrace, * own children, it should create a separate process which * takes the role of real parent. */ - if (likely(!ptrace) && task_ptrace(p) && + if (likely(!ptrace) && p->ptrace && same_thread_group(p->parent, p->real_parent)) return 0; |