1 files changed, 14 insertions, 2 deletions

diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index b3ff63c4bf2a..f91f28efdb59 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -42,18 +42,30 @@ struct extent_page_data {
         struct extent_map_tree *tree;
         get_extent_t *get_extent;
 };
-
-void __init extent_map_init(void)
+int __init extent_map_init(void)
 {
         extent_map_cache = btrfs_cache_create("extent_map",
                                             sizeof(struct extent_map), 0,
                                             NULL);
+        if (!extent_map_cache)
+                return -ENOMEM;
         extent_state_cache = btrfs_cache_create("extent_state",
                                             sizeof(struct extent_state), 0,
                                             NULL);
+        if (!extent_state_cache)
+                goto free_map_cache;
         extent_buffer_cache = btrfs_cache_create("extent_buffers",
                                             sizeof(struct extent_buffer), 0,
                                             NULL);
+        if (!extent_buffer_cache)
+                goto free_state_cache;
+        return 0;
+
+free_state_cache:
+        kmem_cache_destroy(extent_state_cache);
+free_map_cache:
+        kmem_cache_destroy(extent_map_cache);
+        return -ENOMEM;
 }
 
 void __exit extent_map_exit(void)