From ebe3b0d302edecb8e2fc900224dbc7c63248769f Mon Sep 17 00:00:00 2001
From: YAMAMOTO Takashi <yamamoto@midokura.com>
Date: Thu, 14 Jan 2021 10:08:49 +0900
Subject: [PATCH] webclient: Report unexpected connection loss as an explicit
 error

Otherwise, it can end up with mysterious results in user apps.
---
 netutils/webclient/webclient.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/netutils/webclient/webclient.c b/netutils/webclient/webclient.c
index 45cd91de0..26b4d1b4a 100644
--- a/netutils/webclient/webclient.c
+++ b/netutils/webclient/webclient.c
@@ -896,6 +896,13 @@ int webclient_perform(FAR struct webclient_context *ctx)
             }
           else if (ws->datend == 0)
             {
+              if (ws->state != WEBCLIENT_STATE_DATA)
+                {
+                  nerr("Connection lost unexpectedly\n");
+                  ret = -ECONNABORTED;
+                  goto errout_with_errno;
+                }
+
               ninfo("Connection lost\n");
               break;
             }