From 16df0dba4de47cb9dbdeaec4f66f086cb64baf96 Mon Sep 17 00:00:00 2001
From: ligd <liguiding1@xiaomi.com>
Date: Fri, 24 May 2024 23:05:28 +0800
Subject: [PATCH] wdog: wd_gettime() return 0 when wdog has already expired

Signed-off-by: ligd <liguiding1@xiaomi.com>
---
 sched/wdog/wd_gettime.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sched/wdog/wd_gettime.c b/sched/wdog/wd_gettime.c
index e407270882..9947293ac7 100644
--- a/sched/wdog/wd_gettime.c
+++ b/sched/wdog/wd_gettime.c
@@ -75,7 +75,7 @@ sclock_t wd_gettime(FAR struct wdog_s *wdog)
             {
               delay -= wd_elapse();
               leave_critical_section(flags);
-              return delay;
+              return delay < 0 ? 0 : delay;
             }
         }
     }