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USB: option: fix port-data abuse 

Commit 8b4c6a3ab5 ("USB: option: Use generic USB wwan code")
moved option port-data allocation to usb_wwan_startup but still cast the
port data to the old struct...

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2012-05-29 17:57:52 +02:00 committed by Greg Kroah-Hartman
parent 1aa3c63cf0
commit 4273f9878b
1 changed files with 3 additions and 31 deletions
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34
drivers/usb/serial/option.c
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@ -1265,35 +1265,6 @@ static struct usb_serial_driver * const serial_drivers[] = {
static bool debug;
/* per port private data */
#define N_IN_URB 4
#define N_OUT_URB 4
#define IN_BUFLEN 4096
#define OUT_BUFLEN 4096
struct option_port_private {
/* Input endpoints and buffer for this port */
struct urb *in_urbs[N_IN_URB];
u8 *in_buffer[N_IN_URB];
/* Output endpoints and buffer for this port */
struct urb *out_urbs[N_OUT_URB];
u8 *out_buffer[N_OUT_URB];
unsigned long out_busy; /* Bit vector of URBs in use */
int opened;
struct usb_anchor delayed;
/* Settings for the port */
int rts_state; /* Handshaking pins (outputs) */
int dtr_state;
int cts_state; /* Handshaking pins (inputs) */
int dsr_state;
int dcd_state;
int ri_state;
unsigned long tx_start_time[N_OUT_URB];
};
module_usb_serial_driver(serial_drivers, option_ids);
static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
@ -1367,7 +1338,8 @@ static void option_instat_callback(struct urb *urb)
int err;
int status = urb->status;
struct usb_serial_port *port = urb->context;
struct option_port_private *portdata = usb_get_serial_port_data(port);
struct usb_wwan_port_private *portdata =
usb_get_serial_port_data(port);
dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
@ -1427,7 +1399,7 @@ static int option_send_setup(struct usb_serial_port *port)
struct usb_serial *serial = port->serial;
struct usb_wwan_intf_private *intfdata =
(struct usb_wwan_intf_private *) serial->private;
struct option_port_private *portdata;
struct usb_wwan_port_private *portdata;
int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
int val = 0;