linux-kernel - [49/89] usb: io_ti: Make edge_remove_sysfs_attrs the port

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Message-Id: <20120201210048.214159802@clark.kroah.org>
Date:	Wed, 01 Feb 2012 13:00:13 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Wolfgang Frisch <wfpub@...mbden.net>
Subject: [49/89] usb: io_ti: Make edge_remove_sysfs_attrs the port_remove method.

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Eric W. Biederman" <ebiederm@...ssion.com>

commit 6d443d8499e4e59ffb949759cdded32730f8d2f6 upstream.

Calling edge_remove_sysfs_attrs from edge_disconnect is too late
as the device has already been removed from sysfs.

Do the simple and obvious thing and make edge_remove_sysfs_attrs
the port_remove method.

Signed-off-by: Eric W. Biederman <ebiederm@...ssion.com>
Reported-by: Wolfgang Frisch <wfpub@...mbden.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/serial/io_ti.c |   10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2677,15 +2677,7 @@ cleanup:
 
 static void edge_disconnect(struct usb_serial *serial)
 {
-	int i;
-	struct edgeport_port *edge_port;
-
 	dbg("%s", __func__);
-
-	for (i = 0; i < serial->num_ports; ++i) {
-		edge_port = usb_get_serial_port_data(serial->port[i]);
-		edge_remove_sysfs_attrs(edge_port->port);
-	}
 }
 
 static void edge_release(struct usb_serial *serial)
@@ -2764,6 +2756,7 @@ static struct usb_serial_driver edgeport
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
 	.port_probe		= edge_create_sysfs_attrs,
+	.port_remove		= edge_remove_sysfs_attrs,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,
@@ -2795,6 +2788,7 @@ static struct usb_serial_driver edgeport
 	.disconnect		= edge_disconnect,
 	.release		= edge_release,
 	.port_probe		= edge_create_sysfs_attrs,
+	.port_remove		= edge_remove_sysfs_attrs,
 	.ioctl			= edge_ioctl,
 	.set_termios		= edge_set_termios,
 	.tiocmget		= edge_tiocmget,


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