Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[mirror_ubuntu-zesty-kernel.git] / fs / btrfs / extent_io.c

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c7233ff1d533b653b8b9e7f29e022e9126e5f38a..d688cfe5d4962ddf626e97a36fc8136edd7922b9 100644 (file)
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4968,6 +4968,12 @@ static int release_extent_buffer(struct extent_buffer *eb)
 
                /* Should be safe to release our pages at this point */
                btrfs_release_extent_buffer_page(eb);
+#ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS
+               if (unlikely(test_bit(EXTENT_BUFFER_DUMMY, &eb->bflags))) {
+                       __free_extent_buffer(eb);
+                       return 1;
+               }
+#endif
                call_rcu(&eb->rcu_head, btrfs_release_extent_buffer_rcu);
                return 1;
        }