Btrfs-progs: fix segmentation fault of 'btrfs-debug-tree -e'

Due to some historical reasons, we remove 'printing leaf' part, which'd
lead to 'Segmentation fault' of btrfs-debug-tree -e, this patch adds it
back.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>

diff --git a/debug-tree.c b/debug-tree.c
index f6bd5d8..02b0389 100644 (file)
--- a/debug-tree.c
+++ b/debug-tree.c
@@ -52,6 +52,11 @@ static void print_extents(struct btrfs_root *root, struct extent_buffer *eb)
        if (!eb)
                return;
 
+       if (btrfs_is_leaf(eb)) {
+               btrfs_print_leaf(root, eb);
+               return;
+       }
+
        size = btrfs_level_size(root, btrfs_header_level(eb) - 1);
        nr = btrfs_header_nritems(eb);
        for (i = 0; i < nr; i++) {