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-rw-r--r--kernel/posix-timers.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 3dfd15aecc60..bd9c931b3659 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -540,11 +540,10 @@ sys_timer_create(const clockid_t which_clock,
540 */ 540 */
541 spin_lock_irqsave(&process->sighand->siglock, flags); 541 spin_lock_irqsave(&process->sighand->siglock, flags);
542 if (!(process->flags & PF_EXITING)) { 542 if (!(process->flags & PF_EXITING)) {
543 get_task_struct(process);
543 new_timer->it_process = process; 544 new_timer->it_process = process;
544 list_add(&new_timer->list, 545 list_add(&new_timer->list,
545 &process->signal->posix_timers); 546 &process->signal->posix_timers);
546 if (new_timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID))
547 get_task_struct(process);
548 spin_unlock_irqrestore(&process->sighand->siglock, flags); 547 spin_unlock_irqrestore(&process->sighand->siglock, flags);
549 } else { 548 } else {
550 spin_unlock_irqrestore(&process->sighand->siglock, flags); 549 spin_unlock_irqrestore(&process->sighand->siglock, flags);
@@ -561,6 +560,7 @@ sys_timer_create(const clockid_t which_clock,
561 new_timer->it_sigev_signo = SIGALRM; 560 new_timer->it_sigev_signo = SIGALRM;
562 new_timer->it_sigev_value.sival_int = new_timer->it_id; 561 new_timer->it_sigev_value.sival_int = new_timer->it_id;
563 process = current->group_leader; 562 process = current->group_leader;
563 get_task_struct(process);
564 spin_lock_irqsave(&process->sighand->siglock, flags); 564 spin_lock_irqsave(&process->sighand->siglock, flags);
565 new_timer->it_process = process; 565 new_timer->it_process = process;
566 list_add(&new_timer->list, &process->signal->posix_timers); 566 list_add(&new_timer->list, &process->signal->posix_timers);
@@ -853,8 +853,7 @@ retry_delete:
853 * This keeps any tasks waiting on the spin lock from thinking 853 * This keeps any tasks waiting on the spin lock from thinking
854 * they got something (see the lock code above). 854 * they got something (see the lock code above).
855 */ 855 */
856 if (timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID)) 856 put_task_struct(timer->it_process);
857 put_task_struct(timer->it_process);
858 timer->it_process = NULL; 857 timer->it_process = NULL;
859 858
860 unlock_timer(timer, flags); 859 unlock_timer(timer, flags);
@@ -881,8 +880,7 @@ retry_delete:
881 * This keeps any tasks waiting on the spin lock from thinking 880 * This keeps any tasks waiting on the spin lock from thinking
882 * they got something (see the lock code above). 881 * they got something (see the lock code above).
883 */ 882 */
884 if (timer->it_sigev_notify == (SIGEV_SIGNAL|SIGEV_THREAD_ID)) 883 put_task_struct(timer->it_process);
885 put_task_struct(timer->it_process);
886 timer->it_process = NULL; 884 timer->it_process = NULL;
887 885
888 unlock_timer(timer, flags); 886 unlock_timer(timer, flags);