linux-kernel - Re: [PATCH V2 net-next 1/1] hv_netvsc: Wait for sub-channels to be processed during probe

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Message-Id: <20150726.164054.334062063521214575.davem@davemloft.net>
Date:	Sun, 26 Jul 2015 16:40:54 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	kys@...rosoft.com
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	devel@...uxdriverproject.org, olaf@...fle.de, apw@...onical.com,
	jasowang@...hat.com, vkuznets@...hat.com, decui@...rosoft.com
Subject: Re: [PATCH V2 net-next 1/1] hv_netvsc: Wait for sub-channels to be
 processed during probe

From: "K. Y. Srinivasan" <kys@...rosoft.com>
Date: Wed, 22 Jul 2015 11:42:32 -0700

> The current code returns from probe without waiting for the proper handling
> of subchannels that may be requested. If the netvsc driver were to be rapidly
> loaded/unloaded, we can  trigger a panic as the unload will be tearing
> down state that may not have been fully setup yet. We fix this issue by making
> sure that we return from the probe call only after ensuring that the
> sub-channel offers in flight are properly handled.
> 
> Reviewed-and-tested-by: Haiyang Zhang <haiyangz@...rosoft.com
> Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>

Applied, thanks.
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