Re: [PATCH net-next] hv_netvsc: Add close of RNDIS filter into change mtu call

From: Haiyang Zhang <haiyangz@microsoft.com>
Date: Mon, 13 Jul 2015 13:09:16 -0700

The current change mtu call only stops tx before removing RNDIS filter.
In case ringbufer is not empty, the rndis_filter_device_remove() may
hang on removing the buffers.

This patch adds close of RNDIS filter before removing it, also a
gradual waiting loop until the ring is empty. The change_mtu hang
issue under heavy traffic is solved by this patch.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: K. Y. Srinivasan <redacted>

Applied, thanks.