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

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Message-ID: <1335196274.28106.101.camel@gandalf.stny.rr.com>
Date:	Mon, 23 Apr 2012 11:51:14 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Namhyung Kim <namhyung.kim@....com>
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

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.

Thanks,

-- Steve


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