diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 7eec907ed454..7dceb2db67a3 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -384,6 +384,8 @@ static int fastrpc_map_lookup(struct fastrpc_user *fl, int fd,
 	}
 	spin_unlock(&fl->lock);
 
+	dma_buf_put(buf);
+
 	return ret;
 }