linux-kernel - Re: [PATCH] sched: Memory leak in two error corner cases

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Date:	Thu, 10 Dec 2009 09:02:40 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Phil Carmody <ext-phil.2.carmody@...ia.com>
Cc:	peterz@...radead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched: Memory leak in two error corner cases


* Phil Carmody <ext-phil.2.carmody@...ia.com> wrote:

> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -9841,8 +9841,10 @@ int alloc_fair_sched_group(struct task_group *tg, struct task_group *parent)
>  
>  		se = kzalloc_node(sizeof(struct sched_entity),
>  				  GFP_KERNEL, cpu_to_node(i));
> -		if (!se)
> +		if (!se) {
> +			kfree(cfs_rq);
>  			goto err;
> +		}

would be nice to turn this into a regular pattern of:

		if (!se)
			goto err_kfree;

where err_kfree does the kfree.

Thanks,

	Ingo
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