/* this function should only be called while dev->lock is held */
 static struct ion_buffer *ion_buffer_create(struct ion_heap *heap,
-                                    struct ion_device *dev,
-                                    unsigned long len,
-                                    unsigned long align,
-                                    unsigned long flags)
+                                           struct ion_device *dev,
+                                           unsigned long len,
+                                           unsigned long align,
+                                           unsigned long flags)
 {
        struct ion_buffer *buffer;
        struct sg_table *table;
 }
 
 static struct ion_handle *ion_handle_create(struct ion_client *client,
-                                    struct ion_buffer *buffer)
+                                           struct ion_buffer *buffer)
 {
        struct ion_handle *handle;
 
 }
 
 static struct ion_handle *ion_handle_get_by_id_nolock(struct ion_client *client,
-                                               int id)
+                                                     int id)
 {
        struct ion_handle *handle;
 
        }
        vaddr = buffer->heap->ops->map_kernel(buffer->heap, buffer);
        if (WARN_ONCE(vaddr == NULL,
-                       "heap->ops->map_kernel should return ERR_PTR on error"))
+                     "heap->ops->map_kernel should return ERR_PTR on error"))
                return ERR_PTR(-EINVAL);
        if (IS_ERR(vaddr))
                return vaddr;
 };
 
 static int ion_get_client_serial(const struct rb_root *root,
-                                       const unsigned char *name)
+                                const unsigned char *name)
 {
        int serial = -1;
        struct rb_node *node;
 
                path = dentry_path(dev->clients_debug_root, buf, 256);
                pr_err("Failed to create client debugfs at %s/%s\n",
-                       path, client->display_name);
+                      path, client->display_name);
        }
 
        up_write(&dev->lock);
 }
 
 void ion_pages_sync_for_device(struct device *dev, struct page *page,
-               size_t size, enum dma_data_direction dir)
+                              size_t size, enum dma_data_direction dir)
 {
        struct scatterlist sg;
 
 
                if (ion_buffer_page_is_dirty(page))
                        ion_pages_sync_for_device(dev, ion_buffer_page(page),
-                                                       PAGE_SIZE, dir);
+                                                 PAGE_SIZE, dir);
 
                ion_buffer_page_clean(buffer->pages + i);
        }
 
        if (!buffer->heap->ops->map_user) {
                pr_err("%s: this heap does not define a method for mapping to userspace\n",
-                       __func__);
+                      __func__);
                return -EINVAL;
        }
 
 };
 
 struct dma_buf *ion_share_dma_buf(struct ion_client *client,
-                                               struct ion_handle *handle)
+                                 struct ion_handle *handle)
 {
        DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
        struct ion_buffer *buffer;
                struct ion_handle *handle;
 
                handle = ion_alloc(client, data.allocation.len,
-                                               data.allocation.align,
-                                               data.allocation.heap_id_mask,
-                                               data.allocation.flags);
+                                  data.allocation.align,
+                                  data.allocation.heap_id_mask,
+                                  data.allocation.flags);
                if (IS_ERR(handle))
                        return PTR_ERR(handle);
 
        seq_printf(s, "%16s %16zu\n", "total ", total_size);
        if (heap->flags & ION_HEAP_FLAG_DEFER_FREE)
                seq_printf(s, "%16s %16zu\n", "deferred free",
-                               heap->free_list_size);
+                          heap->free_list_size);
        seq_puts(s, "----------------------------------------------------\n");
 
        if (heap->debug_show)
        plist_node_init(&heap->node, -heap->id);
        plist_add(&heap->node, &dev->heaps);
        debug_file = debugfs_create_file(heap->name, 0664,
-                                       dev->heaps_debug_root, heap,
-                                       &debug_heap_fops);
+                                        dev->heaps_debug_root, heap,
+                                        &debug_heap_fops);
 
        if (!debug_file) {
                char buf[256], *path;
 
                path = dentry_path(dev->heaps_debug_root, buf, 256);
                pr_err("Failed to create heap debugfs at %s/%s\n",
-                       path, heap->name);
+                      path, heap->name);
        }
 
        if (heap->shrinker.count_objects && heap->shrinker.scan_objects) {
 
                        path = dentry_path(dev->heaps_debug_root, buf, 256);
                        pr_err("Failed to create heap shrinker debugfs at %s/%s\n",
-                               path, debug_name);
+                              path, debug_name);
                }
        }