linux-kernel - Aw: Re: [PATCH 0/6] hv_netvsc: avoid races on mtu change/set channels

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Message-ID: <trinity-178386d6-a968-4eac-9cf5-fcd34aad7a2a-1463069947179@3capp-gmx-bs05>
Date:	Thu, 12 May 2016 18:19:07 +0200
From:	"Lino Sanfilippo" <LinoSanfilippo@....de>
To:	"Vitaly Kuznetsov" <vkuznets@...hat.com>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org,
	"Haiyang Zhang" <haiyangz@...rosoft.com>,
	"K. Y. Srinivasan" <kys@...rosoft.com>
Subject: Aw: Re:  [PATCH 0/6] hv_netvsc: avoid races on mtu change/set
 channels


> It's worse: before the patch series we get 'struct hv_device' (as it is
> called from core VMBus code and we simply cannot get to 'struct
> net_device' we need without traveling through 'struct
> netvsc_device'. This structure is removed and re-created by both
> netvsc_set_channels() and netvsc_change_mtu().


Ah ok, I missed that we cant rely on getting a valid netdev from the hv_device in 
remove. Thanks for the explanation!

Regards,
Lino