/* do we span > 1 blocks */
                if (data->size > block->size) {
                        ret = block_alloc_contiguous(module, data,
-                               block->offset + block->size,
-                               data->size - block->size);
+                               block->offset, data->size);
                        if (ret == 0)
                                return ret;
                }
 
                        err = block_alloc_contiguous(module, data,
                                block->offset + block->size,
-                               data->size - block->size + data->offset - block->offset);
+                               data->size - block->size);
                        if (err < 0)
                                return -ENOMEM;
 
                if (data->offset >= block->offset && data->offset < block_end) {
 
                        err = block_alloc_contiguous(module, data,
-                               block->offset + block->size,
-                               data->size - block->size);
+                               block->offset, data->size);
                        if (err < 0)
                                return -ENOMEM;