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USB: serial: cypress_m8: fix interrupt-out transfer length

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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: 9aa8dae7b1 ("cypress_m8: use usb_fill_int_urb where appropriate")
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2018-09-30 18:03:11 +02:00
parent ff32d97e39
commit 56445eef55
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/cypress_m8.c
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@ -769,7 +769,7 @@ send:
usb_fill_int_urb(port->interrupt_out_urb, port->serial->dev, usb_fill_int_urb(port->interrupt_out_urb, port->serial->dev,
usb_sndintpipe(port->serial->dev, port->interrupt_out_endpointAddress), 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); cypress_write_int_callback, port, priv->write_urb_interval);
result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC); result = usb_submit_urb(port->interrupt_out_urb, GFP_ATOMIC);
if (result) { if (result) {