linux-kernel - Re: [PATCH] PM: Acquire device locks on suspend

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Message-ID: <Pine.LNX.4.44L0.0801061710140.19222-100000@netrider.rowland.org>
Date:	Sun, 6 Jan 2008 17:11:50 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Greg KH <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Len Brown <lenb@...nel.org>, Ingo Molnar <mingo@...e.hu>,
	ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: [PATCH] PM: Acquire device locks on suspend

On Sun, 6 Jan 2008, Rafael J. Wysocki wrote:

> On Sunday, 6 of January 2008, Alan Stern wrote:

> Still, shouldn't we fail the removal of the device apart from giving the
> warning?

We can't.  device_del() can't fail -- it returns void.  Besides, how 
can a driver hope to deal with an unregistration failure?

Alan Stern

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