[PATCH 5/7] staging: ccree: add clock management support

[Gilad Ben-Yossef]

On Thu, Jun 22, 2017 at 11:58 AM, Dan Carpenter
<dan.carpenter at oracle.com> wrote:
> On Thu, Jun 22, 2017 at 10:07:51AM +0300, Gilad Ben-Yossef wrote:
>> +int cc_clk_on(struct ssi_drvdata *drvdata)
>> +{
>> +     int rc = 0;
>> +     struct clk *clk = drvdata->clk;
>> +
>> +     if (IS_ERR(clk))
>> +     /* No all devices have a clock associated with CCREE */
>> +             goto out;
>
> Ugh...  I hate this.  The "goto out;" here is a waste of time
> do-nothing-goto that returns diretly.  It's equivalent to "return 0;".
> Is that intended?  Even with the comment, it's not clear...
>
> People think do nothing gotos are a great idea but from reviewing tons
> and tons of real life errors, I can assure you that in real life (as
> opposed to theory) they don't prevent any future bugs and only introduce
> "forgot to set the error code" bugs.

I see your point and the code is indeed clearer this way.

Will fix.

Thanks,
Gilad


-- 
Gilad Ben-Yossef
Chief Coffee Drinker

"If you take a class in large-scale robotics, can you end up in a
situation where the homework eats your dog?"
 -- Jean-Baptiste Queru