From: Andre Noll <maan@systemlinux.org>
Date: Sun, 10 Jan 2010 03:25:16 +0000 (+0100)
Subject: btr_node_status(): Do not segfault if btrn is NULL.
X-Git-Tag: v0.4.2~172
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=9facffb38faa01da0d1ba9574f9cc1c47b1deb2e;p=paraslash.git

btr_node_status(): Do not segfault if btrn is NULL.
---

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;