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RE: [PATCH net 3/4] hv_netvsc: protect module refcount by checking net_device_ctx->vf_netdev

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> -----Original Message-----
> From: Vitaly Kuznetsov [mailto:vkuznets@redhat.com]
> Sent: Thursday, August 11, 2016 6:59 AM
> To: netdev@vger.kernel.org
> Cc: devel@linuxdriverproject.org; linux-kernel@vger.kernel.org; Haiyang
> Zhang <haiyangz@microsoft.com>; KY Srinivasan <kys@microsoft.com>
> Subject: [PATCH net 3/4] hv_netvsc: protect module refcount by checking
> net_device_ctx->vf_netdev
> 
> We're not guaranteed to see NETDEV_REGISTER/NETDEV_UNREGISTER
> notifications
> only once per VF but we increase/decrease module refcount unconditionally.
> Check vf_netdev to make sure we don't take/release it twice. We presume
> that only one VF per netvsc device may exist.
> 
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>

Acked-by: Haiyang Zhang <haiyangz@microsoft.com>

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[PATCH net 0/4] hv_netvsc: fixes for VF removal path Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-08-11 13:00 +0200
  [PATCH net 4/4] hv_netvsc: avoid deadlocks between rtnl lock and netvsc_inject_disable() Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-08-11 13:10 +0200
  [PATCH net 3/4] hv_netvsc: protect module refcount by checking net_device_ctx->vf_netdev Vitaly Kuznetsov <vkuznets@redhat.com> - 2016-08-11 13:10 +0200
    RE: [PATCH net 3/4] hv_netvsc: protect module refcount by checking  net_device_ctx->vf_netdev Haiyang Zhang <haiyangz@microsoft.com> - 2016-08-11 18:20 +0200

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