From 7fe098ae34b54d41ec9273c7ae51ee8e708c8193 Mon Sep 17 00:00:00 2001 From: Kou Wenqi Date: Mon, 20 Jun 2022 17:31:32 +0800 Subject: [PATCH] fix a potential infinite loop --- src/dbinc/shqueue.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/dbinc/shqueue.h b/src/dbinc/shqueue.h index 5fdbf47..8f185b5 100644 --- a/src/dbinc/shqueue.h +++ b/src/dbinc/shqueue.h @@ -261,8 +261,8 @@ struct { \ #define SH_TAILQ_NEXTP(elm, field, type) \ ((struct type *)((u_int8_t *)(elm) + (elm)->field.stqe_next)) -#define SH_TAILQ_NEXT(elm, field, type) \ - ((elm)->field.stqe_next == -1 ? NULL : \ +#define SH_TAILQ_NEXT(elm, field, type) \ + (((elm)->field.stqe_next == -1 || (elm)->field.stqe_next == 0) ? NULL : \ ((struct type *)((u_int8_t *)(elm) + (elm)->field.stqe_next))) /* -- 2.23.0