diff --git a/drivers/dma-buf/reservation.c b/drivers/dma-buf/reservation.c
index c1618335ca99..4d32e2c67862 100644
--- a/drivers/dma-buf/reservation.c
+++ b/drivers/dma-buf/reservation.c
@@ -73,6 +73,8 @@ int reservation_object_reserve_shared(struct reservation_object *obj,
 	struct reservation_object_list *old, *new;
 	unsigned int i, j, k, max;
 
+	reservation_object_assert_held(obj);
+
 	old = reservation_object_get_list(obj);
 
 	if (old && old->shared_max) {
@@ -151,6 +153,8 @@ void reservation_object_add_shared_fence(struct reservation_object *obj,
 
 	dma_fence_get(fence);
 
+	reservation_object_assert_held(obj);
+
 	fobj = reservation_object_get_list(obj);
 	count = fobj->shared_count;
 
@@ -196,6 +200,8 @@ void reservation_object_add_excl_fence(struct reservation_object *obj,
 	struct reservation_object_list *old;
 	u32 i = 0;
 
+	reservation_object_assert_held(obj);
+
 	old = reservation_object_get_list(obj);
 	if (old)
 		i = old->shared_count;
@@ -236,6 +242,8 @@ int reservation_object_copy_fences(struct reservation_object *dst,
 	size_t size;
 	unsigned i;
 
+	reservation_object_assert_held(dst);
+
 	rcu_read_lock();
 	src_list = rcu_dereference(src->fence);