Harden the blob view error paths

A blob requested by ref with an unknown path fell through to the
commit object and was served with a 200 instead of a 404, two error
pages passed a null pointer to a %s format when the request carried
no object id, and the error pages left the layout open.

1 file changed, 2 insertions, 2 deletions

diff --git a/source/ui-plain.c b/source/ui-plain.c
index a2a4087..c041711 100644
--- a/source/ui-plain.c
+++ b/source/ui-plain.c
@@ -27,13 +27,13 @@ static int print_object(const struct object_id *oid, const char *path)
 	type = odb_read_object_info(the_repository->objects, oid, &size);
 	if (type == OBJ_BAD) {
 		cgit_print_error_page(404, "Not found", "Not found");
-		return 0;
+		return 1;
 	}
 
 	buf = odb_read_object(the_repository->objects, oid, &type, &size);
 	if (!buf) {
 		cgit_print_error_page(404, "Not found", "Not found");
-		return 0;
+		return 1;
 	}
 
 	mimetype = get_mimetype_for_filename(path);