From c1ee9013ad5acfff47a36899af7d485f6d60fa83 Mon Sep 17 00:00:00 2001
From: Martin Koegler <mkoegler@auto.tuwien.ac.at>
Date: Mon, 18 Feb 2008 21:47:54 +0100
Subject: [PATCH] mark_blob/tree_uninteresting: 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>
---
 revision.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/revision.c b/revision.c
index 6e85aaa3f..484e5e795 100644
--- a/revision.c
+++ b/revision.c
@@ -46,6 +46,8 @@ void add_object(struct object *obj,
 
 static void mark_blob_uninteresting(struct blob *blob)
 {
+	if (!blob)
+		return;
 	if (blob->object.flags & UNINTERESTING)
 		return;
 	blob->object.flags |= UNINTERESTING;
@@ -57,6 +59,8 @@ void mark_tree_uninteresting(struct tree *tree)
 	struct name_entry entry;
 	struct object *obj = &tree->object;
 
+	if (!tree)
+		return;
 	if (obj->flags & UNINTERESTING)
 		return;
 	obj->flags |= UNINTERESTING;