X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=tag.c;h=4470d2bf78e1fbb00d00e487f41daa4373cf48e1;hb=6304c29d518206b0780291a02f94f435abf82d74;hp=d19f56d60cb166600f9fe906a213f20a04afe22e;hpb=7914053ba9901be1f1530f46e8e2e6ee6f4ae5b1;p=git.git

diff --git a/tag.c b/tag.c
index d19f56d60..4470d2bf7 100644
--- a/tag.c
+++ b/tag.c
@@ -9,7 +9,10 @@ const char *tag_type = "tag";
 struct object *deref_tag(struct object *o, const char *warn, int warnlen)
 {
 	while (o && o->type == OBJ_TAG)
-		o = parse_object(((struct tag *)o)->tagged->sha1);
+		if (((struct tag *)o)->tagged)
+			o = parse_object(((struct tag *)o)->tagged->sha1);
+		else
+			o = NULL;
 	if (!o && warn) {
 		if (!warnlen)
 			warnlen = strlen(warn);