linux-kernel - Re: [RESEND PATCH v3 5/6] power: cros_usbpd-charger: Add EC-based USB PD charger driver

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Message-ID: <20160302123154.5a488f66@lxorguk.ukuu.org.uk>
Date:	Wed, 2 Mar 2016 12:31:54 +0000
From:	One Thousand Gnomes <gnomes@...rguk.ukuu.org.uk>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	linux-kernel@...r.kernel.org, Sameer Nanda <snanda@...omium.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Lee Jones <lee.jones@...aro.org>,
	Benson Leung <bleung@...omium.org>,
	Enric Balletbò <enric.balletbo@...labora.co.uk>,
	Vic Yang <victoryang@...omium.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Vincent Palatin <vpalatin@...omium.org>,
	Randall Spangler <rspangler@...omium.org>,
	Todd Broch <tbroch@...omium.org>,
	Gwendal Grignou <gwendal@...omium.org>,
	Shawn Nematbakhsh <shawnn@...omium.org>,
	Sebastian Reichel <sre@...nel.org>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	linux-pm@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>
Subject: Re: [RESEND PATCH v3 5/6] power: cros_usbpd-charger: Add EC-based
 USB PD charger driver


> +static int ec_command(struct cros_ec_dev *ec_dev, int version, int command,
> +		      uint8_t *outdata, int outsize, uint8_t *indata,
> +		      int insize)
> +{

int is a very odd type to use for sizes that cannot be negative,
especially given all your callers use sizeof() which is a size_t and is
not necessarily an int type and you then pass it to memcpy which expects
a size_t anyway


Alan