Commit 53f5094f authored by Kyle Tso's avatar Kyle Tso Committed by Greg Kroah-Hartman
Browse files

usb: typec: Return size of buffer if pd_set operation succeeds 



The attribute writing should return the number of bytes used from the
buffer on success.

Fixes: a7cff92f ("usb: typec: USB Power Delivery helpers for ports and partners")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarKyle Tso <kyletso@google.com>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20240319074309.3306579-1-kyletso@google.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 2a587a03

drivers/usb/typec/class.c

+6 −1
Original line number Diff line number Diff line
@@ -1310,6 +1310,7 @@ static ssize_t select_usb_power_delivery_store(struct device *dev, 
{

	struct typec_port *port = to_typec_port(dev);

	struct usb_power_delivery *pd;

	int ret;



	if (!port->ops || !port->ops->pd_set)

		return -EOPNOTSUPP;
@@ -1318,7 +1319,11 @@ static ssize_t select_usb_power_delivery_store(struct device *dev, 
	if (!pd)

		return -EINVAL;



	return port->ops->pd_set(port, pd);

	ret = port->ops->pd_set(port, pd);

	if (ret)

		return ret;



	return size;

}



static ssize_t select_usb_power_delivery_show(struct device *dev,