linux-kernel - Re: 2.6.18-rc6-mm2: rmmod ohci

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Message-Id: <20060915154515.ae14372c.zaitcev@redhat.com>
Date:	Fri, 15 Sep 2006 15:45:15 -0700
From:	Pete Zaitcev <zaitcev@...hat.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	USB development list <linux-usb-devel@...ts.sourceforge.net>,
	zaitcev@...hat.com, <david-b@...bell.net>
Subject: Re: 2.6.18-rc6-mm2: rmmod ohci_hcd oopses on HPC 6325

On Thu, 14 Sep 2006 13:19:53 +0200, "Rafael J. Wysocki" <rjw@...k.pl> wrote:

> In fact I can reproduce it on two different boxes now.

How about the attached?

-- Pete

diff -urp -X dontdiff linux-2.6.18-rc6/drivers/usb/host/ohci-hcd.c linux-2.6.18-rc6-lem/drivers/usb/host/ohci-hcd.c
--- linux-2.6.18-rc6/drivers/usb/host/ohci-hcd.c	2006-09-06 21:56:32.000000000 -0700
+++ linux-2.6.18-rc6-lem/drivers/usb/host/ohci-hcd.c	2006-09-14 22:48:15.000000000 -0700
@@ -775,7 +775,9 @@ static void ohci_stop (struct usb_hcd *h
 
 	ohci_usb_reset (ohci);
 	ohci_writel (ohci, OHCI_INTR_MIE, &ohci->regs->intrdisable);
-	
+	free_irq(hcd->irq, hcd);
+	hcd->irq = -1;
+
 	remove_debug_files (ohci);
 	unregister_reboot_notifier (&ohci->reboot_notifier);
 	ohci_mem_cleanup (ohci);
-
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