From 05609bac95709beb387e5273ca33a6054bc89b0b Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Thu, 22 Aug 2024 13:17:27 +0200
Subject: [PATCH] setopt: let CURLOPT_ECH set to NULL reset to default

Because NULL is documented as default and most options that take
pointers accept NULL to reset back to internal default.

Closes #14634
---
 lib/setopt.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/lib/setopt.c b/lib/setopt.c
index 9d695e09d3..e8d7ada14e 100644
--- a/lib/setopt.c
+++ b/lib/setopt.c
@@ -3188,8 +3188,7 @@ CURLcode Curl_vsetopt(struct Curl_easy *data, CURLoption option, va_list param)
     argptr = va_arg(param, char *);
     if(!argptr) {
       data->set.tls_ech = CURLECH_DISABLE;
-      result = CURLE_BAD_FUNCTION_ARGUMENT;
-      return result;
+      return CURLE_OK;
     }
     plen = strlen(argptr);
     if(plen > CURL_MAX_INPUT_LENGTH) {