From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxxxxxx>
Date: Tue, 17 Jul 2018 17:11:13 +0000
> From: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
>
> If out ring is full temporarily and receive completion cannot go out,
> we may still need to reschedule napi if certain conditions are met.
> Otherwise the napi poll might be stopped forever, and cause network
> disconnect.
>
> Fixes: 7426b1a51803 ("netvsc: optimize receive completions")
> Signed-off-by: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Applied and queued up for -stable.
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