1 files changed, 5 insertions, 0 deletions
diff --git a/ipc/util.h b/ipc/util.h
index 13d92fe..c36b997 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -171,6 +171,11 @@ static inline void ipc_unlock(struct kern_ipc_perm *perm)
 	rcu_read_unlock();
 }
 
+static inline void ipc_lock_object(struct kern_ipc_perm *perm)
+{
+	spin_lock(&perm->lock);
+}
+
 struct kern_ipc_perm *ipc_lock_check(struct ipc_ids *ids, int id);
 struct kern_ipc_perm *ipc_obtain_object_check(struct ipc_ids *ids, int id);
 int ipcget(struct ipc_namespace *ns, struct ipc_ids *ids,