linux-kernel - RE: [PATCH] r8152: fix lockup when runtime PM is enabled

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Date:	Tue, 8 Dec 2015 03:18:59 +0000
From:	Hayes Wang <hayeswang@...ltek.com>
To:	Peter Wu <peter@...ensteyn.nl>,
	"David S . Miller" <davem@...emloft.net>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	Lu Baolu <baolu.lu@...ux.intel.com>
Subject: RE: [PATCH] r8152: fix lockup when runtime PM is enabled

Peter Wu [mailto:peter@...ensteyn.nl]
> Sent: Tuesday, December 08, 2015 12:59 AM
[...]
> +			if (tp->netdev->flags & IFF_UP) {

Maybe you could just replace the checking of netif_running(tp->netdev) with this.

Excuse me. I have a question. Before the open() is finished, the netif_running() would
be true, but the IFF_UP wouldn't be set. Is it right?

Best Regards,
Hayes

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