From 49cd4451149483cd187bb9d8f9997d0932cbb3ed Mon Sep 17 00:00:00 2001
From: anjiahao <anjiahao@xiaomi.com>
Date: Fri, 8 Apr 2022 16:13:47 +0800
Subject: [PATCH] lib_localtime:fix unsigned compare with zero

Signed-off-by: anjiahao <anjiahao@xiaomi.com>
---
 libs/libc/time/lib_localtime.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/libc/time/lib_localtime.c b/libs/libc/time/lib_localtime.c
index b514e86e034..11c08afa1b4 100644
--- a/libs/libc/time/lib_localtime.c
+++ b/libs/libc/time/lib_localtime.c
@@ -1872,7 +1872,7 @@ static FAR struct tm *timesub(FAR const time_t *timep,
   y = EPOCH_YEAR;
   tdays = *timep / SECSPERDAY;
   rem = *timep - tdays * SECSPERDAY;
-  while (tdays < 0 || tdays >= g_year_lengths[isleap(y)])
+  while (tdays >= g_year_lengths[isleap(y)])
     {
       int newy;
       time_t tdelta;