Re: [PATCH 1/1] platform/chrome: check *dest of memcpy

[Tzung-Bi Shih]

On Tue, May 17, 2022 at 05:55:21PM +0800, Yuanjun Gong wrote:
> From: Gong Yuanjun <ruc_gongyuanjun@xxxxxxx>
> 
> In regulator/cros-ec-regulator.c, cros_ec_cmd is sometimes called
> with *indata set to NULL.
> 
> static int cros_ec_regulator_enable(struct regulator_dev *dev){
> ...
>      cros_ec_cmd(data->ec_dev, 0, EC_CMD_REGULATOR_ENABLE, &cmd,
> 			  sizeof(cmd), NULL, 0)
> ...}
> 
> Don't do memcpy if indata is NULL.

The fix makes less sense to me.  Did you find somewhere that `indata` is NULL
but `insize` is not 0?