diff options
| -rw-r--r-- | drivers/usb/serial/mos7840.c | 46 |
1 files changed, 16 insertions, 30 deletions
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c index 2306d493e55b..021be39fe16e 100644 --- a/drivers/usb/serial/mos7840.c +++ b/drivers/usb/serial/mos7840.c @@ -1087,7 +1087,7 @@ static int mos7840_open(struct usb_serial_port *port, struct file *filp) mos7840_port->icount.tx = 0; mos7840_port->icount.rx = 0; - dbg("\n\nusb_serial serial:%x mos7840_port:%x\n usb_serial_port port:%x\n\n", (unsigned int)serial, (unsigned int)mos7840_port, (unsigned int)port); + dbg("\n\nusb_serial serial:%p mos7840_port:%p\n usb_serial_port port:%p\n\n", serial, mos7840_port, port); return 0; @@ -1420,7 +1420,6 @@ static int mos7840_write(struct usb_serial_port *port, int i; int bytes_sent = 0; int transfer_size; - int from_user = 0; struct moschip_port *mos7840_port; struct usb_serial *serial; @@ -1511,15 +1510,7 @@ static int mos7840_write(struct usb_serial_port *port, } transfer_size = min(count, URB_TRANSFER_BUFFER_SIZE); - if (from_user) { - if (copy_from_user - (urb->transfer_buffer, current_position, transfer_size)) { - bytes_sent = -EFAULT; - goto exit; - } - } else { - memcpy(urb->transfer_buffer, current_position, transfer_size); - } + memcpy(urb->transfer_buffer, current_position, transfer_size); /* fill urb with data and submit */ usb_fill_bulk_urb(urb, @@ -2225,7 +2216,7 @@ static void mos7840_set_termios(struct usb_serial_port *port, *****************************************************************************/ static int mos7840_get_lsr_info(struct moschip_port *mos7840_port, - unsigned int *value) + unsigned int __user *value) { int count; unsigned int result = 0; @@ -2248,7 +2239,7 @@ static int mos7840_get_lsr_info(struct moschip_port *mos7840_port, *****************************************************************************/ static int mos7840_get_bytes_avail(struct moschip_port *mos7840_port, - unsigned int *value) + unsigned int __user *value) { unsigned int result = 0; struct tty_struct *tty = mos7840_port->port->tty; @@ -2271,7 +2262,7 @@ static int mos7840_get_bytes_avail(struct moschip_port *mos7840_port, *****************************************************************************/ static int mos7840_set_modem_info(struct moschip_port *mos7840_port, - unsigned int cmd, unsigned int *value) + unsigned int cmd, unsigned int __user *value) { unsigned int mcr; unsigned int arg; @@ -2341,7 +2332,7 @@ static int mos7840_set_modem_info(struct moschip_port *mos7840_port, *****************************************************************************/ static int mos7840_get_modem_info(struct moschip_port *mos7840_port, - unsigned int *value) + unsigned int __user *value) { unsigned int result = 0; __u16 msr; @@ -2370,7 +2361,7 @@ static int mos7840_get_modem_info(struct moschip_port *mos7840_port, *****************************************************************************/ static int mos7840_get_serial_info(struct moschip_port *mos7840_port, - struct serial_struct *retinfo) + struct serial_struct __user *retinfo) { struct serial_struct tmp; @@ -2405,6 +2396,7 @@ static int mos7840_get_serial_info(struct moschip_port *mos7840_port, static int mos7840_ioctl(struct usb_serial_port *port, struct file *file, unsigned int cmd, unsigned long arg) { + void __user *argp = (void __user *)arg; struct moschip_port *mos7840_port; struct tty_struct *tty; @@ -2433,16 +2425,13 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file, case TIOCINQ: dbg("%s (%d) TIOCINQ", __FUNCTION__, port->number); - return mos7840_get_bytes_avail(mos7840_port, - (unsigned int *)arg); - break; + return mos7840_get_bytes_avail(mos7840_port, argp); case TIOCOUTQ: dbg("%s (%d) TIOCOUTQ", __FUNCTION__, port->number); return put_user(tty->driver->chars_in_buffer ? tty->driver->chars_in_buffer(tty) : 0, (int __user *)arg); - break; case TCFLSH: retval = tty_check_change(tty); @@ -2472,13 +2461,13 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file, case TCGETS: if (kernel_termios_to_user_termios - ((struct termios __user *)arg, tty->termios)) + ((struct termios __user *)argp, tty->termios)) return -EFAULT; return 0; case TIOCSERGETLSR: dbg("%s (%d) TIOCSERGETLSR", __FUNCTION__, port->number); - return mos7840_get_lsr_info(mos7840_port, (unsigned int *)arg); + return mos7840_get_lsr_info(mos7840_port, argp); return 0; case TIOCMBIS: @@ -2487,19 +2476,16 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file, dbg("%s (%d) TIOCMSET/TIOCMBIC/TIOCMSET", __FUNCTION__, port->number); mosret = - mos7840_set_modem_info(mos7840_port, cmd, - (unsigned int *)arg); + mos7840_set_modem_info(mos7840_port, cmd, argp); return mosret; case TIOCMGET: dbg("%s (%d) TIOCMGET", __FUNCTION__, port->number); - return mos7840_get_modem_info(mos7840_port, - (unsigned int *)arg); + return mos7840_get_modem_info(mos7840_port, argp); case TIOCGSERIAL: dbg("%s (%d) TIOCGSERIAL", __FUNCTION__, port->number); - return mos7840_get_serial_info(mos7840_port, - (struct serial_struct *)arg); + return mos7840_get_serial_info(mos7840_port, argp); case TIOCSSERIAL: dbg("%s (%d) TIOCSSERIAL", __FUNCTION__, port->number); @@ -2549,7 +2535,7 @@ static int mos7840_ioctl(struct usb_serial_port *port, struct file *file, dbg("%s (%d) TIOCGICOUNT RX=%d, TX=%d", __FUNCTION__, port->number, icount.rx, icount.tx); - if (copy_to_user((void *)arg, &icount, sizeof(icount))) + if (copy_to_user(argp, &icount, sizeof(icount))) return -EFAULT; return 0; @@ -2817,7 +2803,7 @@ static int mos7840_startup(struct usb_serial *serial) /* setting configuration feature to one */ usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), - (__u8) 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 5 * HZ); + (__u8) 0x03, 0x00, 0x01, 0x00, NULL, 0x00, 5 * HZ); return 0; } |