diff options
Diffstat (limited to 'drivers/usb/serial/garmin_gps.c')
| -rw-r--r-- | drivers/usb/serial/garmin_gps.c | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c index d63072fee099..614de0c2f5f2 100644 --- a/drivers/usb/serial/garmin_gps.c +++ b/drivers/usb/serial/garmin_gps.c @@ -104,7 +104,7 @@ struct garmin_packet { int seq; /* the real size of the data array, always > 0 */ int size; - __u8 data[]; + __u8 data[] __counted_by(size); }; /* structure used to keep the current state of the driver */ @@ -179,19 +179,22 @@ static unsigned char const GARMIN_START_SESSION_REPLY[] = { 0, 0, 0, 0, 6, 0, 0, 0, 4, 0, 0, 0 }; static unsigned char const GARMIN_BULK_IN_AVAIL_REPLY[] = { 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0 }; +static unsigned char const GARMIN_STOP_TRANSFER_REQ[] + = { 20, 0, 0, 0, 10, 0, 0, 0, 2, 0, 0, 0, 0, 0 }; +static unsigned char const GARMIN_STOP_TRANSFER_REQ_V2[] + = { 20, 0, 0, 0, 10, 0, 0, 0, 1, 0, 0, 0, 0 }; + +/* packets currently unused, left as documentation */ +#if 0 static unsigned char const GARMIN_APP_LAYER_REPLY[] = { 0x14, 0, 0, 0 }; static unsigned char const GARMIN_START_PVT_REQ[] = { 20, 0, 0, 0, 10, 0, 0, 0, 2, 0, 0, 0, 49, 0 }; static unsigned char const GARMIN_STOP_PVT_REQ[] = { 20, 0, 0, 0, 10, 0, 0, 0, 2, 0, 0, 0, 50, 0 }; -static unsigned char const GARMIN_STOP_TRANSFER_REQ[] - = { 20, 0, 0, 0, 10, 0, 0, 0, 2, 0, 0, 0, 0, 0 }; -static unsigned char const GARMIN_STOP_TRANSFER_REQ_V2[] - = { 20, 0, 0, 0, 10, 0, 0, 0, 1, 0, 0, 0, 0 }; static unsigned char const PRIVATE_REQ[] = { 0x4B, 0x6E, 0x10, 0x01, 0xFF, 0, 0, 0, 0xFF, 0, 0, 0 }; - +#endif static const struct usb_device_id id_table[] = { @@ -264,8 +267,7 @@ static int pkt_add(struct garmin_data *garmin_data_p, /* process only packets containing data ... */ if (data_length) { - pkt = kmalloc(sizeof(struct garmin_packet)+data_length, - GFP_ATOMIC); + pkt = kmalloc(struct_size(pkt, data, data_length), GFP_ATOMIC); if (!pkt) return 0; @@ -985,7 +987,7 @@ static int garmin_write_bulk(struct usb_serial_port *port, garmin_data_p->flags &= ~FLAGS_DROP_DATA; spin_unlock_irqrestore(&garmin_data_p->lock, flags); - buffer = kmalloc(count, GFP_ATOMIC); + buffer = kmemdup(buf, count, GFP_ATOMIC); if (!buffer) return -ENOMEM; @@ -995,8 +997,6 @@ static int garmin_write_bulk(struct usb_serial_port *port, return -ENOMEM; } - memcpy(buffer, buf, count); - usb_serial_debug_data(&port->dev, __func__, count, buffer); usb_fill_bulk_urb(urb, serial->dev, @@ -1110,7 +1110,7 @@ static int garmin_write(struct tty_struct *tty, struct usb_serial_port *port, } -static int garmin_write_room(struct tty_struct *tty) +static unsigned int garmin_write_room(struct tty_struct *tty) { struct usb_serial_port *port = tty->driver_data; /* @@ -1357,7 +1357,8 @@ static void garmin_unthrottle(struct tty_struct *tty) */ static void timeout_handler(struct timer_list *t) { - struct garmin_data *garmin_data_p = from_timer(garmin_data_p, t, timer); + struct garmin_data *garmin_data_p = timer_container_of(garmin_data_p, + t, timer); /* send the next queued packet to the tty port */ if (garmin_data_p->mode == MODE_NATIVE) @@ -1398,22 +1399,20 @@ err_free: } -static int garmin_port_remove(struct usb_serial_port *port) +static void garmin_port_remove(struct usb_serial_port *port) { struct garmin_data *garmin_data_p = usb_get_serial_port_data(port); usb_kill_anchored_urbs(&garmin_data_p->write_urbs); usb_kill_urb(port->interrupt_in_urb); - del_timer_sync(&garmin_data_p->timer); + timer_shutdown_sync(&garmin_data_p->timer); kfree(garmin_data_p); - return 0; } /* All of the device info needed */ static struct usb_serial_driver garmin_device = { .driver = { - .owner = THIS_MODULE, .name = "garmin_gps", }, .description = "Garmin GPS usb/tty", @@ -1442,5 +1441,5 @@ MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -module_param(initial_mode, int, S_IRUGO); +module_param(initial_mode, int, 0444); MODULE_PARM_DESC(initial_mode, "Initial mode"); |