linux-kernel - Re: [PATCH] tracing: use strlcpy instead of strncpy

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Date:	Wed, 20 May 2009 10:34:20 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
CC:	Ingo Molnar <mingo@...e.hu>, Jiri Slaby <jirislaby@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH] tracing: use strlcpy instead of strncpy

Stefan Richter wrote:
> Lai Jiangshan wrote:
>> [Impact] cleanup
> 
> Well, not entirely.
> 
>> --- a/kernel/trace/trace.h
>> +++ b/kernel/trace/trace.h
>> @@ -155,8 +155,8 @@ struct trace_boot_ret {
>>  struct trace_branch {
>>      struct trace_entry    ent;
>>      unsigned            line;
>> -    char            func[TRACE_FUNC_SIZE+1];
>> -    char            file[TRACE_FILE_SIZE+1];
>> +    char            func[TRACE_FUNC_SIZE];
>> +    char            file[TRACE_FILE_SIZE];
>>      char            correct;
>>  };
> 
> (without change of the TRACE_????_SIZE definition)
> 
> Better avoid a categorization of a patch if the change's scope exceeds
> that of the categorization.

I think it's make no sense to change the magic number TRACE_????_SIZE,
I will rewrite my changelog as Frederic suggests.

Thank you very much.

Lai.

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