linux-kernel - Re: [PATCH v6 6/6] tracing: Fix maybe-uninitialized warning in ftrace_function_set

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Date:	Thu, 11 Oct 2012 19:33:19 -0700
From:	David Sharp <dhsharp@...gle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 6/6] tracing: Fix maybe-uninitialized warning in ftrace_function_set_regexp

On Thu, Oct 11, 2012 at 6:36 PM, Steven Rostedt <rostedt@...dmis.org> wrote:
> On Thu, 2012-10-11 at 16:27 -0700, David Sharp wrote:
>> Compiler warning:
>>
>> kernel/trace/trace_events_filter.c: In function 'ftrace_function_set_filter_cb':
>> kernel/trace/trace_events_filter.c:2074:8: error: 'ret' may be used uninitialized in this function [-Werror=maybe-uninitialized]
>>
>> Signed-off-by: David Sharp <dhsharp@...gle.com>
>> Cc: Steven Rostedt <rostedt@...dmis.org>
>> ---
>>  kernel/trace/trace_events_filter.c |    3 ++-
>>  1 files changed, 2 insertions(+), 1 deletions(-)
>>
>> diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
>> index 431dba8..ef36953 100644
>> --- a/kernel/trace/trace_events_filter.c
>> +++ b/kernel/trace/trace_events_filter.c
>> @@ -2002,9 +2002,10 @@ static int ftrace_function_set_regexp(struct ftrace_ops *ops, int filter,
>>  static int __ftrace_function_set_filter(int filter, char *buf, int len,
>>                                       struct function_filter_data *data)
>>  {
>> -     int i, re_cnt, ret;
>> +     int i, re_cnt;
>>       int *reset;
>>       char **re;
>> +     int ret = 0;
>>
>>       reset = filter ? &data->first_filter : &data->first_notrace;
>>
>
> It has already been fixed in mainline:
>
> 92d8d4a8b0f4c6eba70f6e62b48e38bd005a56e6
>
> http://marc.info/?l=linux-kernel&m=134012157512078

Okay, drop this one then. I haven't been rebasing.
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