summaryrefslogtreecommitdiffstats
path: root/kernel/posix-timers.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/posix-timers.c')
-rw-r--r--kernel/posix-timers.c34
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) {