From: Johan Hovold johan@kernel.org
[ Upstream commit 56445eef55cb5904096fed7a73cf87b755dfffc7 ]
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 johan@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- 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 90110de715e01..d0aa4c853f56a 100644 --- a/drivers/usb/serial/cypress_m8.c +++ b/drivers/usb/serial/cypress_m8.c @@ -773,7 +773,7 @@ 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) {