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Diffstat (limited to 'tag.c')
-rw-r--r--tag.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/tag.c b/tag.c
index d19f56d..4470d2b 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);