提交 69a85bd8 编写于 作者: J Josef Bacik

Btrfs: don't null pointer deref on abort

I'm sorry, theres no excuse for this sort of work.  We need to use
root->leafsize since eb may be NULL.  Thanks,
Signed-off-by: NJosef Bacik <jbacik@fusionio.com>
上级 03b71c6c
......@@ -3808,7 +3808,7 @@ static int btrfs_destroy_marked_extents(struct btrfs_root *root,
while (start <= end) {
eb = btrfs_find_tree_block(root, start,
root->leafsize);
start += eb->len;
start += root->leafsize;
if (!eb)
continue;
wait_on_extent_buffer_writeback(eb);
......
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