From 0edb29095124acf39f532909710fef4642378136 Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Thu, 27 Jan 2022 13:22:37 +0900
Subject: [PATCH] symtab_findbyname: just retun NULL for NULL symtab

The condition is not fatal at all.
It's better to let the caller handle the failure.
---
 libs/libc/symtab/symtab_findbyname.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libs/libc/symtab/symtab_findbyname.c b/libs/libc/symtab/symtab_findbyname.c
index d3bd0d01938..7efa80c5ead 100644
--- a/libs/libc/symtab/symtab_findbyname.c
+++ b/libs/libc/symtab/symtab_findbyname.c
@@ -60,6 +60,12 @@ symtab_findbyname(FAR const struct symtab_s *symtab,
   int cmp;
 #endif
 
+  if (symtab == NULL)
+    {
+      DEBUGASSERT(nsyms == 0);
+      return NULL;
+    }
+
 #ifdef CONFIG_SYMTAB_DECORATED
   if (name[0] == '_')
     {
@@ -67,7 +73,7 @@ symtab_findbyname(FAR const struct symtab_s *symtab,
     }
 #endif
 
-  DEBUGASSERT(symtab != NULL && name != NULL);
+  DEBUGASSERT(name != NULL);
 
 #ifdef CONFIG_SYMTAB_ORDEREDBYNAME
   while (low < high)