1 files changed, 2 insertions, 1 deletions

diff --git a/ipc/sem.c b/ipc/sem.c
index 9e70cd7a17da..2570830e29fc 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2091,7 +2091,8 @@ void exit_sem(struct task_struct *tsk)
                          * possibility where we exit while freeary() didn't
                          * finish unlocking sem_undo_list.
                          */
-                        spin_unlock_wait(&ulp->lock);
+                        spin_lock(&ulp->lock);
+                        spin_unlock(&ulp->lock);
                         rcu_read_unlock();
                         break;
                 }