From a40d8540f4b7874ef674428cf757e8f466d271ca Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 20 Feb 2008 21:40:34 +0000 Subject: [PATCH] USB: kobil_sct: Get rid of unneeded priv->line_state Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/usb/serial/kobil_sct.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c index 17b3baead4a..03cb5dd8cbe 100644 --- a/drivers/usb/serial/kobil_sct.c +++ b/drivers/usb/serial/kobil_sct.c @@ -139,7 +139,6 @@ struct kobil_private { int filled; // index of the last char in buf int cur_pos; // index of the next char to send in buf __u16 device_type; - int line_state; }; @@ -161,7 +160,6 @@ static int kobil_startup (struct usb_serial *serial) priv->filled = 0; priv->cur_pos = 0; priv->device_type = le16_to_cpu(serial->dev->descriptor.idProduct); - priv->line_state = 0; switch (priv->device_type){ case KOBIL_ADAPTER_B_PRODUCT_ID: @@ -226,7 +224,6 @@ static int kobil_open (struct usb_serial_port *port, struct file *filp) dbg("%s - port %d", __FUNCTION__, port->number); priv = usb_get_serial_port_data(port); - priv->line_state = 0; // someone sets the dev to 0 if the close method has been called port->interrupt_in_urb->dev = port->serial->dev; @@ -524,14 +521,11 @@ static int kobil_tiocmget(struct usb_serial_port *port, struct file *file) dbg("%s - port %d Send get_status_line_state URB returns: %i. Statusline: %02x", __FUNCTION__, port->number, result, transfer_buffer[0]); - if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) { - priv->line_state |= TIOCM_DSR; - } else { - priv->line_state &= ~TIOCM_DSR; - } - + result = 0; + if ((transfer_buffer[0] & SUSBCR_GSL_DSR) != 0) + result = TIOCM_DSR; kfree(transfer_buffer); - return priv->line_state; + return result; } static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, @@ -544,6 +538,7 @@ static int kobil_tiocmset(struct usb_serial_port *port, struct file *file, unsigned char *transfer_buffer; int transfer_buffer_length = 8; + /* FIXME: locking ? */ priv = usb_get_serial_port_data(port); if ((priv->device_type == KOBIL_USBTWIN_PRODUCT_ID) || (priv->device_type == KOBIL_KAAN_SIM_PRODUCT_ID)) { // This device doesn't support ioctl calls -- 2.41.1