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path: root/drivers/usb/serial/option.c
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Diffstat (limited to 'drivers/usb/serial/option.c')
-rw-r--r--drivers/usb/serial/option.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 9f9cd36..6b1727e 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -218,6 +218,7 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po
/* ZTE PRODUCTS */
#define ZTE_VENDOR_ID 0x19d2
#define ZTE_PRODUCT_MF628 0x0015
+#define ZTE_PRODUCT_CDMA_TECH 0xfffe
static struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
@@ -347,6 +348,7 @@ static struct usb_device_id option_ids[] = {
{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
{ USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_MF628) },
+ { USB_DEVICE(ZTE_VENDOR_ID, ZTE_PRODUCT_CDMA_TECH) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
@@ -569,14 +571,14 @@ static void option_indat_callback(struct urb *urb)
dbg("%s: nonzero status: %d on endpoint %02x.",
__func__, status, endpoint);
} else {
- tty = port->port.tty;
+ tty = tty_port_tty_get(&port->port);
if (urb->actual_length) {
tty_buffer_request_room(tty, urb->actual_length);
tty_insert_flip_string(tty, data, urb->actual_length);
tty_flip_buffer_push(tty);
- } else {
+ } else
dbg("%s: empty read urb received", __func__);
- }
+ tty_kref_put(tty);
/* Resubmit urb so we continue receiving */
if (port->port.count && status != -ESHUTDOWN) {
@@ -645,9 +647,13 @@ static void option_instat_callback(struct urb *urb)
portdata->dsr_state = ((signals & 0x02) ? 1 : 0);
portdata->ri_state = ((signals & 0x08) ? 1 : 0);
- if (port->port.tty && !C_CLOCAL(port->port.tty) &&
- old_dcd_state && !portdata->dcd_state)
- tty_hangup(port->port.tty);
+ if (old_dcd_state && !portdata->dcd_state) {
+ struct tty_struct *tty =
+ tty_port_tty_get(&port->port);
+ if (tty && !C_CLOCAL(tty))
+ tty_hangup(tty);
+ tty_kref_put(tty);
+ }
} else {
dbg("%s: type %x req %x", __func__,
req_pkt->bRequestType, req_pkt->bRequest);
@@ -791,7 +797,7 @@ static void option_close(struct tty_struct *tty,
for (i = 0; i < N_OUT_URB; i++)
usb_kill_urb(portdata->out_urbs[i]);
}
- port->port.tty = NULL; /* FIXME */
+ tty_port_tty_set(&port->port, NULL);
}
/* Helper functions used by option_setup_urbs */
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