From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from youngberry.canonical.com ([91.189.89.112]:42965 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753191AbbJTVgM (ORCPT ); Tue, 20 Oct 2015 17:36:12 -0400 From: Kamal Mostafa To: linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel-team@lists.ubuntu.com Cc: Philipp Hachtmann , Greg Kroah-Hartman , Kamal Mostafa Subject: [PATCH 3.13.y-ckt 34/85] USB: symbolserial: Use usb_get_serial_port_data Date: Tue, 20 Oct 2015 14:34:50 -0700 Message-Id: <1445376941-7046-35-git-send-email-kamal@canonical.com> In-Reply-To: <1445376941-7046-1-git-send-email-kamal@canonical.com> References: <1445376941-7046-1-git-send-email-kamal@canonical.com> Sender: stable-owner@vger.kernel.org List-ID: 3.13.11-ckt28 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Philipp Hachtmann commit 951d3793bbfc0a441d791d820183aa3085c83ea9 upstream. The driver used usb_get_serial_data(port->serial) which compiled but resulted in a NULL pointer being returned (and subsequently used). I did not go deeper into this but I guess this is a regression. Signed-off-by: Philipp Hachtmann Fixes: a85796ee5149 ("USB: symbolserial: move private-data allocation to port_probe") Acked-by: Johan Hovold Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kamal Mostafa --- drivers/usb/serial/symbolserial.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c index 9b16489..1e2d86d 100644 --- a/drivers/usb/serial/symbolserial.c +++ b/drivers/usb/serial/symbolserial.c @@ -97,7 +97,7 @@ exit: static int symbol_open(struct tty_struct *tty, struct usb_serial_port *port) { - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); unsigned long flags; int result = 0; @@ -123,7 +123,7 @@ static void symbol_close(struct usb_serial_port *port) static void symbol_throttle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); spin_lock_irq(&priv->lock); priv->throttled = true; @@ -133,7 +133,7 @@ static void symbol_throttle(struct tty_struct *tty) static void symbol_unthrottle(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; - struct symbol_private *priv = usb_get_serial_data(port->serial); + struct symbol_private *priv = usb_get_serial_port_data(port); int result; bool was_throttled; -- 1.9.1