Re: [patch v2 2/3] staging: speakup: check and convert dev name or ser to dev_t

[Andy Shevchenko]

On Sun, Jun 18, 2017 at 8:22 PM, Okash Khawaja <okash.khawaja@xxxxxxxxx> wrote:
> On Sun, Jun 18, 2017 at 04:35:21PM +0300, Andy Shevchenko wrote:

>> > +       if (ser < 0 || ser > (255 - 64)) {
>>
>> > +                pr_err("speakup: Invalid ser param. \
>> > +                               Must be between 0 and 191 inclusive.\n");
>>
>> Just make it one line.
> Is it okay if it becomes larger than 80 chars?

Yes. Even checkpatch will not complain in this case.

>> > +                               pr_err("speakup: lp* is only supported on:");
>>
>> > +                               for (i = 0; i < ARRAY_SIZE(lp_supported); i++)
>> > +                                       pr_cont(" %s", lp_supported[i]);
>> > +                               pr_cont("\n");
>>
>> pr_cont() is not the best idea, though I think it will be rare cases
>> when it might be broken in pieces.

> Hmm... I would like to keep it if it doesn't incur an overhead. It also
> indicates to the reader that this all part of same output line. Let me
> know what you think.

For better user experience you need something like a temporary buffer
and one pr_err(); line at the end.
But as I said here is quite a chance that no one will see this message
broken apart.

>> > --- a/drivers/staging/speakup/spk_types.h
>> > +++ b/drivers/staging/speakup/spk_types.h
>> > @@ -169,6 +169,7 @@ struct spk_synth {
>> >         int jiffies;
>> >         int full;
>> >         int ser;
>>
>> > +       char *dev_name;
>>
>> const ?
> This becomes the target of module_param in following patch. It complains
> when set to const.

Fair enough.

-- 
With Best Regards,
Andy Shevchenko