Commit a7483ec0 authored Mar 02, 2018 by Stephen Hemminger Committed by David S. Miller Mar 04, 2018

hv_netvsc: cancel subchannel setup before halting device



Block setup of multiple channels earlier in the teardown
process. This avoids possible races between halt and subchannel
initialization.

Suggested-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent fcfb4a00

drivers/net/hyperv/rndis_filter.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1340,6 +1340,9 @@ void rndis_filter_device_remove(struct hv_device *dev,
		{
		struct rndis_device *rndis_dev = net_dev->extension;

		/* Don't try and setup sub channels if about to halt */
		cancel_work_sync(&net_dev->subchan_work);

		/* Halt and release the rndis device */
		rndis_filter_halt_device(rndis_dev);