diff options
| -rw-r--r-- | drivers/usb/serial/metro-usb.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/serial/metro-usb.c b/drivers/usb/serial/metro-usb.c index e968d33..6b7d277 100644 --- a/drivers/usb/serial/metro-usb.c +++ b/drivers/usb/serial/metro-usb.c @@ -58,7 +58,7 @@ static bool debug; static void metrousb_read_int_callback(struct urb *urb) { - struct usb_serial_port *port = (struct usb_serial_port *)urb->context; + struct usb_serial_port *port = urb->context; struct metrousb_private *metro_priv = usb_get_serial_port_data(port); struct tty_struct *tty; unsigned char *data = urb->transfer_buffer; @@ -253,13 +253,10 @@ static int metrousb_startup(struct usb_serial *serial) port = serial->port[i]; /* Declare memory. */ - metro_priv = kmalloc(sizeof(struct metrousb_private), GFP_KERNEL); + metro_priv = kzalloc(sizeof(struct metrousb_private), GFP_KERNEL); if (!metro_priv) return -ENOMEM; - /* Clear memory. */ - memset(metro_priv, 0x00, sizeof(struct metrousb_private)); - /* Initialize memory. */ spin_lock_init(&metro_priv->lock); usb_set_serial_port_data(port, metro_priv); |