linux-kernel - Re: [PATCH] tracing: Use strim() to remove whitespace instead of doing it manually

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Message-ID: <20220524132947.03582de5@gandalf.local.home>
Date:   Tue, 24 May 2022 13:29:47 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Yuntao Wang <ytcoode@...il.com>
Cc:     Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tracing: Use strim() to remove whitespace instead of
 doing it manually

On Fri, 21 Jan 2022 09:56:23 +0000
Yuntao Wang <ytcoode@...il.com> wrote:

> The tracing_set_trace_write() function just removes the trailing whitespace
> from the user supplied tracer name, but the leading whitespace should also
> be removed.
> 
> In addition, if the user supplied tracer name contains only a few
> whitespace characters, the first one will not be removed using the current
> method, which results it a single whitespace character left in the buf.
> 
> To fix all of these issues, we use strim() to correctly remove both the
> leading and trailing whitespace.
> 
> Signed-off-by: Yuntao Wang <ytcoode@...il.com>

Added to my queue.

Thanks,

-- Steve