From 2f6d1c6360b0bdc6a02e55799a07acc522cd8e3f Mon Sep 17 00:00:00 2001
From: Wendal Chen <wendal1985@gmail.com>
Date: Sun, 12 Dec 2021 21:16:45 +0800
Subject: [PATCH] fix: webclient_header_fields_add miss va_end when error

move `va_end`
---
 src/webclient.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/webclient.c b/src/webclient.c
index 31749b6..b990d05 100644
--- a/src/webclient.c
+++ b/src/webclient.c
@@ -533,12 +533,12 @@ int webclient_header_fields_add(struct webclient_session *session, const char *f
     va_start(args, fmt);
     length = rt_vsnprintf(session->header->buffer + session->header->length,
             session->header->size - session->header->length, fmt, args);
+    va_end(args);
     if (length < 0)
     {
         LOG_E("add fields header data failed, return length(%d) error.", length);
         return -WEBCLIENT_ERROR;
     }
-    va_end(args);
 
     session->header->length += length;