Fix interrupt-out transfer length which was being set to the
transfer-buffer length rather than the size of the outgoing packet.

Note that no slab data was leaked as the whole transfer buffer is always
cleared before each transfer.

Fixes: 9aa8dae7b1fa ("cypress_m8: use usb_fill_int_urb where appropriate")
Signed-off-by: Johan Hovold <[email protected]>
---
 drivers/usb/serial/cypress_m8.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 31c6091be46a..5aaab8f4dd8f 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -769,7 +769,7 @@ static void cypress_send(struct usb_serial_port *port)
 
        usb_fill_int_urb(port->interrupt_out_urb, port->serial->dev,
                usb_sndintpipe(port->serial->dev, 
port->interrupt_out_endpointAddress),
-               port->interrupt_out_buffer, port->interrupt_out_size,
+               port->interrupt_out_buffer, actual_size,
                cypress_write_int_callback, port, priv->write_urb_interval);
        result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC);
        if (result) {
-- 
2.19.0

Reply via email to