linux-kernel - Re: [for-next][PATCH 5/5] tracing: Use the return of str_has

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Date:   Sat, 22 Dec 2018 22:46:31 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Joe Perches <joe@...ches.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>, linux-sh@...r.kernel.org
Subject: Re: [for-next][PATCH 5/5] tracing: Use the return of
 str_has_prefix() to remove open coded numbers

On Sun, 23 Dec 2018 12:23:52 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> On Sat, 22 Dec 2018 11:20:12 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > From: "Steven Rostedt (VMware)" <rostedt@...dmis.org>
> > 
> > There are several locations that compare constants to the beginning of
> > string variables to determine what commands should be done, then the
> > constant length is used to index into the string. This is error prone as the
> > hard coded numbers have to match the size of the constants. Instead, use the
> > len returned from str_has_prefix() and remove the open coded string length
> > sizes.  
> 
> Looks good to me.
> 
> Acked-by: Masami Hiramatsu <mhiramat@...nel.org>
> 
> for trace_probe part.

Thanks Masami!

-- Steve