From: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Date: Mon, 18 Feb 2008 20:48:00 +0000 (+0100)
Subject: reachable.c::process_tree/blob: check for NULL
X-Git-Tag: v1.5.5-rc0~93^2~14
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=f7de5a56b75109e1d6651ee2b5bf7f496a5eb18b;p=git.git

reachable.c::process_tree/blob: check for NULL

As these functions are directly called with the result
from lookup_tree/blob, they must handle NULL.

Signed-off-by: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/reachable.c b/reachable.c
index 11499a60c..96a984c69 100644
--- a/reachable.c
+++ b/reachable.c
@@ -15,6 +15,8 @@ static void process_blob(struct blob *blob,
 {
 	struct object *obj = &blob->object;
 
+	if (!blob)
+		die("bad blob object");
 	if (obj->flags & SEEN)
 		return;
 	obj->flags |= SEEN;
@@ -39,6 +41,8 @@ static void process_tree(struct tree *tree,
 	struct name_entry entry;
 	struct name_path me;
 
+	if (!tree)
+		die("bad tree object");
 	if (obj->flags & SEEN)
 		return;
 	obj->flags |= SEEN;