linux-kernel - Re: [PATCH] sched: fix struct autogroup memory leak

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Message-ID: <1294222874.2016.231.camel@laptop>
Date:	Wed, 05 Jan 2011 11:21:14 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Mike Galbraith <efault@....de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] sched: fix struct autogroup memory leak

On Wed, 2011-01-05 at 11:11 +0100, Mike Galbraith wrote:

>  static inline void autogroup_free(struct task_group *tg)
>  {
> -	kfree(tg->autogroup);
> +	if (tg->autogroup)
> +		kfree(tg->autogroup);
>  }

WARNING: kfree(NULL) is safe this check is probably not required
#43: FILE: kernel/sched_autogroup.c:24:
+       if (tg->autogroup)
+               kfree(tg->autogroup);
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