[PATCH v3 02/15] mei: add support to GSC extended header

[Winkler, Tomas]

> 
> On Fri, Aug 19, 2022 at 03:53:22PM -0700, Daniele Ceraolo Spurio wrote:
> > --- a/drivers/misc/mei/hw-me.c
> > +++ b/drivers/misc/mei/hw-me.c
> > @@ -590,7 +590,10 @@ static int mei_me_hbuf_write(struct mei_device
> *dev,
> >  	u32 dw_cnt;
> >  	int empty_slots;
> >
> > -	if (WARN_ON(!hdr || !data || hdr_len & 0x3))
> > +	if (WARN_ON(!hdr || hdr_len & 0x3))
> > +		return -EINVAL;
> > +
> > +	if (WARN_ON(!data && data_len))
> 
> Do not add more WARN_ON() calls, please just handle this properly and do
> not reboot people's machines for a coding error :(

As far as I understand WARN_ON()  will produce solely a backtrace , This particular condition should never ever happen in theory,
anyhow we can use dev_err() here as well.

Thanks
Tomas