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From: Sheng Yong <shengyong1@huawei.com>
To: <computersforpeace@gmail.com>, <dwmw2@infradead.org>
Cc: richard@nod.at, linux-mtd@lists.infradead.org
Subject: Re: [PATCH 0/2] mtd: nandsim: fix error handling
Date: Tue, 23 Jun 2015 09:03:58 +0800	[thread overview]
Message-ID: <5588B07E.4080404@huawei.com> (raw)
In-Reply-To: <1434530713-81591-1-git-send-email-shengyong1@huawei.com>

Ping. Any comments are appreciated :)

thanks,
Sheng

On 6/17/2015 4:45 PM, Sheng Yong wrote:
> These 2 patches fix error handling when nandsim initialization fails.
> 
> In alloc_device(), if creating slab memory fails, free_device() will try
> to destroy the slab memory without checking if it exists.  PATCH 1 fixes
> it.
> 
> If something goes wrong in init_nandsim(), it calls free_device() before
> returning. However, the caller of init_nandsim() - ns_init_module() - also
> does the cleanup by calling free_nandsim(). This causes double free. PATCH
> 2 fixes it.
> 
> Thanks,
> Sheng
> 
> Sheng Yong (2):
>   mtd: nandsim: fix free of NULL pointer
>   mtd: nandsim: fix double free
> 
>  drivers/mtd/nand/nandsim.c | 22 +++++++---------------
>  1 file changed, 7 insertions(+), 15 deletions(-)
> 

  parent reply	other threads:[~2015-06-23  1:05 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-17  8:45 [PATCH 0/2] mtd: nandsim: fix error handling Sheng Yong
2015-06-17  8:45 ` [PATCH 1/2] mtd: nandsim: fix free of NULL pointer Sheng Yong
2015-06-17  8:48   ` Richard Weinberger
2015-06-17  9:00     ` Richard Weinberger
2015-06-17  9:03     ` Sheng Yong
2015-06-17  9:05       ` Richard Weinberger
2015-06-17  8:45 ` [PATCH 2/2] mtd: nandsim: fix double free Sheng Yong
2015-06-23  1:03 ` Sheng Yong [this message]
2015-06-23  6:26   ` [PATCH 0/2] mtd: nandsim: fix error handling Richard Weinberger
2015-06-24  0:53     ` Sheng Yong
2015-06-23 21:59 ` Brian Norris

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