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Message-ID: <CADvQ+rGwns4nFjA8wMRC-mY69_Rr8wwdM8dezx0vpdjUymKqSQ@mail.gmail.com>
Date: Wed, 17 Oct 2018 23:03:46 -0300
From: Leonardo Bras <leobras.c@...il.com>
To: helen@...keco.de
Cc: lkcamp@...ts.libreplanetbr.org, x86@...nel.org,
linux-kbuild@...r.kernel.org, Matthew Wilcox <willy6545@...il.com>,
linux-kernel <linux-kernel@...r.kernel.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>,
Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
Andy Lutomirski <luto@...nel.org>,
"H. Peter Anvin" <hpa@...or.com>,
Michal Marek <michal.lkml@...kovi.net>,
Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [Lkcamp] [PATCH 3/4] kbuild: Removes unnecessary shadowed local
variable and optimize testing.
Hello Helen,
On Wed, Oct 17, 2018 at 12:06 AM Helen Koike <helen@...keco.de> wrote:
>
> Hi Leonardo,
>
> On 10/16/18 9:09 PM, Leonardo Brás wrote:
> > Removes an unnecessary shadowed local variable (start).
> > Optimize test of isdigit:
> > - If isalpha returns true, isdigit will return false, so no need to test.
>
> This patch does two different things, it should be in two separated patches.
Sure, no problem.
>
> >
> > Signed-off-by: Leonardo Brás <leobras.c@...il.com>
> > ---
> > scripts/asn1_compiler.c | 7 +++----
> > 1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/scripts/asn1_compiler.c b/scripts/asn1_compiler.c
> > index c146020fc783..08bb6e5fd6ad 100644
> > --- a/scripts/asn1_compiler.c
> > +++ b/scripts/asn1_compiler.c
> > @@ -413,7 +413,7 @@ static void tokenise(char *buffer, char *end)
> >
> > /* Handle string tokens */
> > if (isalpha(*p)) {
> > - const char **dir, *start = p;
> > + const char **dir;
> >
> > /* Can be a directive, type name or element
> > * name. Find the end of the name.
> > @@ -454,10 +454,9 @@ static void tokenise(char *buffer, char *end)
> >
> > tokens[tix++].token_type = TOKEN_TYPE_NAME;
> > continue;
> > - }
> > + } else if (isdigit(*p)) {
> > + /* Handle numbers */
>
> Actually you can't do that, p is being altered in the first if statement.
Yeah, you are right. I will remove this logic for v2.
>
> >
> > - /* Handle numbers */
> > - if (isdigit(*p)) {
> > /* Find the end of the number */
> > q = p + 1;
> > while (q < nl && (isdigit(*q)))
> >
>
> Regards
> Helen
Thanks!
Leonardo Brás
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