linux-kernel - Re: [PATCH] usb-serial regression fix

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Message-ID: <45F6D2EA.403@rtr.ca>
Date:	Tue, 13 Mar 2007 12:35:54 -0400
From:	Mark Lord <lkml@....ca>
To:	Jim Radford <radford@...ckbean.org>
Cc:	Greg KH <greg@...ah.com>, linux-usb-devel@...ts.sourceforge.net,
	Oliver Neukum <oneukum@...e.de>, Adrian Bunk <bunk@...sta.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] usb-serial regression fix

Jim Radford wrote:
> ...
> This patch reverts d9a7ecacac5f8274d2afce09aadcf37bdb42b93a since it
> breaks drivers that need to access the ->port[] array in shutdown
> (most of them).

Patch applied, tested, works for me.
 
Signed-Off: Jim Radford <radford@...ckbean.org>
Acked-by: Mark Lord <mlord@...ox.com>

--- b/drivers/usb/serial/usb-serial.c
+++ a/drivers/usb/serial/usb-serial.c
@@ -137,6 +135,11 @@
 
 	dbg("%s - %s", __FUNCTION__, serial->type->description);
 
+	serial->type->shutdown(serial);
+
+	/* return the minor range that this device had */
+	return_serial(serial);
+
 	for (i = 0; i < serial->num_ports; ++i)
 		serial->port[i]->open_count = 0;
 
@@ -147,12 +150,6 @@
 			serial->port[i] = NULL;
 		}
 
-	if (serial->type->shutdown)
-		serial->type->shutdown(serial);
-
-	/* return the minor range that this device had */
-	return_serial(serial);
-
 	/* If this is a "fake" port, we have to clean it up here, as it will
 	 * not get cleaned up in port_release() as it was never registered with
 	 * the driver core */


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