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Commit e421fe97 authored by Johan Hovold's avatar Johan Hovold Committed by Greg Kroah-Hartman
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USB: ir-usb: fix incorrect write-buffer length 



Returned length should include header length.

Signed-off-by: default avatarJohan Hovold <jhovold@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent f26c2889

drivers/usb/serial/ir-usb.c

+3 −1
Original line number Diff line number Diff line
@@ -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)