1 files changed, 4 insertions, 3 deletions

diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 55b3761edaa9..6923ad8a5983 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -605,13 +605,14 @@ static struct k_itimer * lock_timer(timer_t timer_id, unsigned long *flags)
         timr = (struct k_itimer *) idr_find(&posix_timers_id, (int) timer_id);
         if (timr) {
                 spin_lock(&timr->it_lock);
-                spin_unlock(&idr_lock);
 
                 if ((timr->it_id != timer_id) || !(timr->it_process) ||
                                 timr->it_process->tgid != current->tgid) {
-                        unlock_timer(timr, *flags);
+                        spin_unlock(&timr->it_lock);
+                        spin_unlock_irqrestore(&idr_lock, *flags);
                         timr = NULL;
-                }
+                } else
+                        spin_unlock(&idr_lock);
         } else
                 spin_unlock_irqrestore(&idr_lock, *flags);