linux-kernel - Re: [PATCH 1/1 try #2] Char: correct pci_get

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Date:	Thu, 19 Oct 2006 17:36:54 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	R.E.Wolff@...Wizard.nl, Amit Gud <gud@....net>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH 1/1 try #2] Char: correct pci_get_device changes

Ar Iau, 2006-10-19 am 16:44 +0200, ysgrifennodd Jiri Slaby:
> correct pci_get_device changes
> 
> Commits 881a8c120acf7ec09c90289e2996b7c70f51e996 and
> efe1ec27837d6639eae82e1f5876910ba6433c3f corrects pci device matching in
> only one way; it no longer oopses/crashes, despite hotplug is not solved in
> these changes.
> 
> Whenever pci_find_device -> pci_get_device change is performed, also
> pci_dev_get and pci_dev_put should be in most cases called to properly
> handle hotplug. This patch does exactly this thing -- increase refcount to
> let kernel know, that we are using this piece of HW just now.
> 
> It affects moxa and rio char drivers.
> 
> Cc: <R.E.Wolff@...Wizard.nl>
> Cc: Amit Gud <gud@....net>
> Cc: Greg Kroah-Hartman <gregkh@...e.de>
> Cc: Alan Cox <alan@...rguk.ukuu.org.uk>
> Signed-off-by: Jiri Slaby <jirislaby@...il.com>

Acked-by: Alan Cox <alan@...hat.com>

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