[ 24/61] USB: option: fix port-data abuse
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2012-06-20 18:38:52
Also in:
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3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Johan Hovold <redacted>
commit 4273f9878b0a8271df055e3c8f2e7f08c6a4a2f4 upstream.
Commit 8b4c6a3ab596961b78465 ("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...
Signed-off-by: Johan Hovold <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/serial/option.c | 34 +++-------------------------------
1 file changed, 3 insertions(+), 31 deletions(-)
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c@@ -1288,35 +1288,6 @@ static struct usb_serial_driver * const 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(option_driver, serial_drivers); static bool is_blacklisted(const u8 ifnum, enum option_blacklist_reason reason,
@@ -1399,7 +1370,8 @@ static void option_instat_callback(struc 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", __func__); dbg("%s: urb %p port %p has data %p", __func__, urb, port, portdata);
@@ -1460,7 +1432,7 @@ static int option_send_setup(struct usb_ 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; dbg("%s", __func__);