Returned length should include header length.
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
drivers/usb/serial/ir-usb.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index e7087f9..ccbce40 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -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)
--
1.7.1
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