parse_commit: don't fail, if object is NULL

Martin Koegler · gitster · commit 9786f68bfcc0 · 2008-02-18T19:25:26.000-08:00
Some codepaths (eg. builtin-rev-parse -&gt; get_merge_bases -&gt; parse_commit)
can pass NULL.

Signed-off-by: Martin Koegler &lt;mkoegler@auto.tuwien.ac.at&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/commit.c b/commit.c
@@ -311,6 +311,8 @@ int parse_commit(struct commit *item)
 	unsigned long size;
 	int ret;
 
+	if (!item)
+		return -1;
 	if (item->object.parsed)
 		return 0;
 	buffer = read_sha1_file(item->object.sha1, &type, &size);
