linux-kernel - Re: [PATCH 1/5] perf inject: Fill in the missing freeing a session after an error occur

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Date:	Tue, 30 Jun 2015 13:21:46 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Taeung Song <treeze.taeung@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	Ingo Molnar <mingo@...hat.com>
Subject: Re: [PATCH 1/5] perf inject: Fill in the missing freeing a session
 after an error occur

On Tue, Jun 30, 2015 at 05:15:20PM +0900, Taeung Song wrote:
> When an error occur a error value is just returned
> without freeing the session. So allocating and freeing
> session have to be matched as a pair even if an error occur.
> 
> Signed-off-by: Taeung Song <treeze.taeung@...il.com>

Acked-by: Jiri Olsa <jolsa@...nel.org>

thanks,
jirka

> ---
>  tools/perf/builtin-inject.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c
> index 52ec66b..01b0649 100644
> --- a/tools/perf/builtin-inject.c
> +++ b/tools/perf/builtin-inject.c
> @@ -630,12 +630,13 @@ int cmd_inject(int argc, const char **argv, const char *prefix __maybe_unused)
>  	if (inject.session == NULL)
>  		return -1;
>  
> -	if (symbol__init(&inject.session->header.env) < 0)
> -		return -1;
> +	ret = symbol__init(&inject.session->header.env);
> +	if (ret < 0)
> +		goto out_delete;
>  
>  	ret = __cmd_inject(&inject);
>  
> +out_delete:
>  	perf_session__delete(inject.session);
> -
>  	return ret;
>  }
> -- 
> 1.9.1
> 
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