diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index 63d7043..52bb74b 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -311,20 +311,18 @@
 static int __videobuf_mmap_free(struct videobuf_queue *q)
 {
 	int i;
-	int rc;
 
 	if (!q)
 		return 0;
 
 	MAGIC_CHECK(q->int_ops->magic, MAGIC_QTYPE_OPS);
 
-	rc = CALL(q, mmap_free, q);
+	for (i = 0; i < VIDEO_MAX_FRAME; i++)
+		if (q->bufs[i] && q->bufs[i]->map)
+			return -EBUSY;
 
 	q->is_mmapped = 0;
 
-	if (rc < 0)
-		return rc;
-
 	for (i = 0; i < VIDEO_MAX_FRAME; i++) {
 		if (NULL == q->bufs[i])
 			continue;
@@ -333,7 +331,7 @@
 		q->bufs[i] = NULL;
 	}
 
-	return rc;
+	return 0;
 }
 
 int videobuf_mmap_free(struct videobuf_queue *q)