Merge branch 'late/board' into devel-late

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 198c2ba..c9018a0 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4120,6 +4120,7 @@ struct extent_buffer *alloc_extent_buffer(struct extent_io_tree *tree,
                        if (atomic_inc_not_zero(&exists->refs)) {
                                spin_unlock(&mapping->private_lock);
                                unlock_page(p);
+                               page_cache_release(p);
                                mark_extent_buffer_accessed(exists);
                                goto free_eb;
                        }
@@ -4199,8 +4200,7 @@ free_eb:
                        unlock_page(eb->pages[i]);
        }
 
-       if (!atomic_dec_and_test(&eb->refs))
-               return exists;
+       WARN_ON(!atomic_dec_and_test(&eb->refs));
        btrfs_release_extent_buffer(eb);
        return exists;
 }