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USB: ir-usb: fix incorrect write-buffer length 

Returned length should include header length.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Johan Hovold 2010-05-19 00:01:34 +02:00 committed by Greg Kroah-Hartman
parent f26c2889a4
commit e421fe97ad
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/serial/ir-usb.c
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@ -307,6 +307,7 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port,
void *dest, size_t size)
{
unsigned char *buf = dest;
int count;
/*
* The first byte of the packet we send to the device contains an
@ -317,8 +318,9 @@ static int ir_prepare_write_buffer(struct usb_serial_port *port,
*/
*buf = ir_xbof | ir_baud;
return kfifo_out_locked(&port->write_fifo, buf + 1, size - 1,
count = kfifo_out_locked(&port->write_fifo, buf + 1, size - 1,
&port->lock);
return count + 1;
}
static void ir_process_read_urb(struct urb *urb)