diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/posix-timers.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c index bd9c931b3659..60b262051d1d 100644 --- a/kernel/posix-timers.c +++ b/kernel/posix-timers.c @@ -460,9 +460,9 @@ sys_timer_create(const clockid_t which_clock, timer_t __user * created_timer_id) { int error = 0; - struct k_itimer *new_timer = NULL; + struct k_itimer *new_timer; int new_timer_id; - struct task_struct *process = NULL; + struct task_struct *process; unsigned long flags; sigevent_t event; int it_id_set = IT_ID_NOT_SET; @@ -523,32 +523,12 @@ sys_timer_create(const clockid_t which_clock, read_lock(&tasklist_lock); if ((process = good_sigevent(&event))) { - /* - * We may be setting up this process for another - * thread. It may be exiting. To catch this - * case the we check the PF_EXITING flag. If - * the flag is not set, the siglock will catch - * him before it is too late (in exit_itimers). - * - * The exec case is a bit more invloved but easy - * to code. If the process is in our thread - * group (and it must be or we would not allow - * it here) and is doing an exec, it will cause - * us to be killed. In this case it will wait - * for us to die which means we can finish this - * linkage with our last gasp. I.e. no code :) - */ + get_task_struct(process); spin_lock_irqsave(&process->sighand->siglock, flags); - if (!(process->flags & PF_EXITING)) { - get_task_struct(process); - new_timer->it_process = process; - list_add(&new_timer->list, - &process->signal->posix_timers); - spin_unlock_irqrestore(&process->sighand->siglock, flags); - } else { - spin_unlock_irqrestore(&process->sighand->siglock, flags); - process = NULL; - } + new_timer->it_process = process; + list_add(&new_timer->list, + &process->signal->posix_timers); + spin_unlock_irqrestore(&process->sighand->siglock, flags); } read_unlock(&tasklist_lock); if (!process) { |