From 252fce70b13d3620bd22ea4e3614649dd0067b42 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 27 Feb 2023 10:02:22 +0100
Subject: mqtt: on send error, return error

Reported-by: Maciej Domanski

Closes #10623
---
 lib/mqtt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'lib/mqtt.c')

diff --git a/lib/mqtt.c b/lib/mqtt.c
index 0b54bc0f8..47af36914 100644
--- a/lib/mqtt.c
+++ b/lib/mqtt.c
@@ -122,8 +122,9 @@ static CURLcode mqtt_send(struct Curl_easy *data,
   struct MQTT *mq = data->req.p.mqtt;
   ssize_t n;
   result = Curl_write(data, sockfd, buf, len, &n);
-  if(!result)
-    Curl_debug(data, CURLINFO_HEADER_OUT, buf, (size_t)n);
+  if(result)
+    return result;
+  Curl_debug(data, CURLINFO_HEADER_OUT, buf, (size_t)n);
   if(len != (size_t)n) {
     size_t nsend = len - n;
     char *sendleftovers = Curl_memdup(&buf[n], nsend);
-- 
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