linux-kernel - Re: [PATCH] msm: iommu: fix leak and invalid access

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Message-ID: <20130522223009.GA11823@codeaurora.org>
Date:	Wed, 22 May 2013 15:30:10 -0700
From:	David Brown <davidb@...eaurora.org>
To:	Libo Chen <clbchenlibo.chen@...wei.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] msm: iommu: fix leak and invalid access

On Wed, May 15, 2013 at 12:47:03PM +0800, Libo Chen wrote:

> This patch merge two patch that I sended before:
> 1. msm: iommu: add missing platform_device_unregister() in err case
> 2. msm: iommu: no need kfree before kzalloc successful
> 
> It fixes two obvious problems:
> 1. We have registered msm_iommu_driver first, and need unregister it when
> registered msm_iommu_ctx_driver fail
> 
> 2. We don`t need to kfree drvdata before kzalloc successful
> 
> Signed-off-by: Libo Chen <libo.chen@...wei.com>
> ---
>  drivers/iommu/msm_iommu_dev.c |   11 +++++------
>  1 files changed, 5 insertions(+), 6 deletions(-)

Acked-by: David Brown <davidb@...eaurora.org>

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