Re: [dpdk-dev] [PATCH v2] fix checkpatch errors

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2016-01-28 03:09, Xie, Huawei:
> On 1/28/2016 2:17 AM, Thomas Monjalon wrote:
> > 2016-01-27 01:26, Huawei Xie:
> >> v2 changes:
> >>  add missed commit message in v1
> >>
> >> fix the error reported by checkpatch:
> >>  "ERROR: return is not a function, parentheses are not required"
> >>
> >> also removed other extra parentheses like:
> >>  "return val == 0"
> >>  "return (rte_mempool_lookup(...))"
> > How these examples are differents from above checkpatch error?
> 
> Don't get it.

Me too ;)
I don't understand which paren you removed in "return val == 0"
and why you say "also removed other...", meaning it is different
from the checkpatch error.

> > Please add Fixes: 6307b909b8e0 ("lib: remove extra parenthesis after return")
> >
> > This is the second run after above commit but I still see a lot of them.
> > Please check git grep 'return *('
> >
> >
> 
> Not a lot of them, just 44 including the document, and all of them are
> "return (logical expressions)", which check patch doesn't report as
> errors, so i chose to ignor them in the previous patch. I can send new
> one which also fixes those code styles.
> Btw, is there any reason using this style?
>     return (a*d < b*c)

I think there is no reason. Yes you can remove the parens here.
Thanks