commit 152669bd3cd2407d6f556009b95ee249c0c1a462
author Dexuan Cui <decui@microsoft.com> Thu Mar 02 13:00:53 2017 +0000
committer David S. Miller <davem@davemloft.net> Thu Mar 02 14:41:36 2017 -0800
tree dc032a0eb328b1d4e81224a2d640c67543221201
parent 35576ee17f7c15a5ec776570088fd2eff1dbdc2d

netvsc: fix use-after-free in netvsc_change_mtu()

'nvdev' is freed in rndis_filter_device_remove -> netvsc_device_remove ->
free_netvsc_device, so we mustn't access it, before it's re-created in
rndis_filter_device_add -> netvsc_device_add.

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