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-rw-r--r--ipc/sem.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index 38371e93bfa5..c6c50370504c 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;
}