The current code would attempt to negotiate a different protocol version if
the current negotiation timed out. This triggers an assert in the host (on debug
builds). Avoid this by negotiating a newer version only if the host properly
rejects the current version being negotiated.

Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
---
 drivers/hv/connection.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index ec3b8cd..8f4743a 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -195,7 +195,10 @@ int vmbus_connect(void)
 
        do {
                ret = vmbus_negotiate_version(msginfo, version);
-               if (ret == 0)
+               if (ret)
+                       goto cleanup;
+
+               if (vmbus_connection.conn_state == CONNECTED)
                        break;
 
                version = vmbus_get_next_version(version);
-- 
1.7.4.1

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