From 9facffb38faa01da0d1ba9574f9cc1c47b1deb2e Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Sun, 10 Jan 2010 04:25:16 +0100
Subject: [PATCH 1/1] btr_node_status(): Do not segfault if btrn is NULL.

---
 buffer_tree.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/buffer_tree.c b/buffer_tree.c
index d12dcde7..a7a3220b 100644
--- a/buffer_tree.c
+++ b/buffer_tree.c
@@ -753,6 +753,8 @@ int btr_node_status(struct btr_node *btrn, size_t min_iqs,
 {
 	size_t iqs;
 
+	if (!btrn)
+		return 0;
 	if (type != BTR_NT_LEAF) {
 		if (btr_no_children(btrn))
 			return -E_BTR_NO_CHILD;
-- 
2.39.2