From 4406b649af5368a34cd7dbec4605798deab5b575 Mon Sep 17 00:00:00 2001
From: Thomas Schoebel-Theuer <mars@asus>
Date: Tue, 16 Aug 2022 07:19:55 +0200
Subject: [PATCH] net: remember detected snd state transitions

---
 kernel/mars_net.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/mars_net.c b/kernel/mars_net.c
index 336bfff6..74fef589 100644
--- a/kernel/mars_net.c
+++ b/kernel/mars_net.c
@@ -489,6 +489,10 @@ int _mars_send_raw(struct mars_socket *msock, const void *buf, int len)
 			MARS_WRN("interrupting, sent = %d\n", sent);
 			status = -EIDRM;
 			break;
+		} else if (!msock->s_connected &&
+			   !_socket_not_connected(sock)) {
+			/* Remember the detected state transition ASAP */
+			msock->s_connected = true;
 		}
 
 #ifdef USE_SENDPAGE // FIXME: does not work, leads to data corruption (probably due to races with asynchrous sending)