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USB: ipw: fix interface-data memory leak in error path

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Move interface data allocation to attach so that it is deallocated
should usb-serial probe fail.

Signed-off-by: Johan Hovold <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Johan Hovold 2012-10-25 15:42:39 +02:00 • committed by Greg Kroah-Hartman
commit a997448c89
1 changed files with 2 additions and 3 deletions
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5
drivers/usb/serial/ipw.c
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@ -203,8 +203,7 @@ static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
return 0;
}
/* fake probe - only to allocate data structures */
static int ipw_probe(struct usb_serial *serial, const struct usb_device_id *id)
static int ipw_attach(struct usb_serial *serial)
{
struct usb_wwan_intf_private *data;
@ -303,7 +302,7 @@ static struct usb_serial_driver ipw_device = {
.num_ports = 1,
.open = ipw_open,
.close = ipw_close,
.probe = ipw_probe,
.attach = ipw_attach,
.release = ipw_release,
.port_probe = usb_wwan_port_probe,
.port_remove = usb_wwan_port_remove,