From 33fea772862dc8d9dba7c2afb18b8d5442a70ee7 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 13 Aug 2020 16:01:24 +0200
Subject: [KERNEL] Try not to -EIO if no socket is connected

---
 src/kernel/net-txrx.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/kernel/net-txrx.c')

diff --git a/src/kernel/net-txrx.c b/src/kernel/net-txrx.c
index 51c684d..0402619 100644
--- a/src/kernel/net-txrx.c
+++ b/src/kernel/net-txrx.c
@@ -171,6 +171,9 @@ int dnbd3_send_request(struct dnbd3_sock *sock, struct request *req,
 	result = kernel_sendmsg(sock->sock, &msg, iov, iov_num, lng);
 	if (result != lng) {
 		error_sock(sock, "connection to server lost");
+		if (result >= 0) {
+			result = -EIO; // QnD fix
+		}
 		/*
 		 * this triggers:
 		 * kernel BUG at block/blk-mq.c:704!
-- 
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