From 0cf4173a76cf771d4d4406f48c59fcb85b5a5400 Mon Sep 17 00:00:00 2001
From: Dexuan Cui <decui@microsoft.com>
Date: Fri, 5 May 2017 16:57:12 -0600
Subject: [PATCH 2/9] vmbus: vmbus_open(): reset onchannel_callback on error

No real issue is observed without the patch, but let's add this
just in case.

Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: K. Y. Srinivasan <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Origin: https://github.com/dcui/linux/commits/decui/hv_sock/v4.11/20170511
(cherry picked from commit c248b14174e1337c1461f9b13a573ad90a136e1c)
---
 drivers/hv/channel.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index 321b8833fa6f..628d6fde1887 100644
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -220,6 +220,8 @@ int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,
 		     get_order(send_ringbuffer_size + recv_ringbuffer_size));
 error_set_chnstate:
 	newchannel->state = CHANNEL_OPEN_STATE;
+	newchannel->onchannel_callback = NULL;
+	newchannel->channel_callback_context = NULL;
 	return err;
 }
 EXPORT_SYMBOL_GPL(vmbus_open);
-- 
2.12.2

