From 6198eea6c751f2923cb46ad9a05b41e37fde3d3f Mon Sep 17 00:00:00 2001
From: Mingjie Shen <shen497@purdue.edu>
Date: Tue, 13 Jun 2023 17:33:37 -0400
Subject: [PATCH] [msh] fix offset used before range check

These uses of offset 'cmd0_size' should follow the range check.
---
 components/finsh/msh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/components/finsh/msh.c b/components/finsh/msh.c
index 186ede00e2..691ab55381 100644
--- a/components/finsh/msh.c
+++ b/components/finsh/msh.c
@@ -274,7 +274,7 @@ static int _msh_exec_cmd(char *cmd, rt_size_t length, int *retp)
     RT_ASSERT(retp);
 
     /* find the size of first command */
-    while ((cmd[cmd0_size] != ' ' && cmd[cmd0_size] != '\t') && cmd0_size < length)
+    while (cmd0_size < length && (cmd[cmd0_size] != ' ' && cmd[cmd0_size] != '\t'))
         cmd0_size ++;
     if (cmd0_size == 0)
         return -RT_ERROR;