linux-kernel - Re: [PATCH 4/7] parse-events: Handle strdup failure cases

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Message-ID: <87ehrermop.fsf@sejong.aot.lge.com>
Date:	Tue, 24 Apr 2012 09:35:50 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Borislav Petkov <bp@...en8.de>,
	David Ahern <dsahern@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/7] parse-events: Handle strdup failure cases

Hi,

On Mon, 23 Apr 2012 11:51:14 -0400, Steven Rostedt wrote:
> On Mon, 2012-04-09 at 11:54 +0900, Namhyung Kim wrote:
>> There were some places didn't check return value of the strdup
>> and had unneeded/duplicated checks. Fix it.
>> 
>> Signed-off-by: Namhyung Kim <namhyung.kim@....com>
>> ---
>>  parse-events.c |   29 +++++++++++++++++++++++++++--
>>  1 files changed, 27 insertions(+), 2 deletions(-)
>> 
>> diff --git a/parse-events.c b/parse-events.c
>> index 0b1e40a..773c928 100644
>> --- a/parse-events.c
>> +++ b/parse-events.c
>> @@ -463,8 +463,10 @@ int pevent_register_function(struct pevent *pevent, char *func,
>>  		item->mod = NULL;
>>  	item->addr = addr;
>>  
>> -	pevent->funclist = item;
>> +	if (!item->func || (mod && !item->mod))
>> +		die("malloc func");
>>  
>
> I just added this patch, but we need to get rid of all the "die"
> functions and do proper freeing and error notifications to make this a
> real library.
>

Agreed. I'm planning to dive into it soonish..

Thanks,
Namhyung
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