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Date: Mon, 12 Dec 2022 11:59:55 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Jianglei Nie <niejianglei2021@....com>
Cc: ojeda@...nel.org, geert+renesas@...der.be,
linux-kernel@...r.kernel.org, kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v3] auxdisplay: hd44780: Fix potential memory leak in
hd44780_remove()
On Tue, Nov 29, 2022 at 04:15:42PM +0800, Jianglei Nie wrote:
> hd44780_probe() allocates a memory chunk for hd with kzalloc() and
> makes "lcd->drvdata->hd44780" point to it. When we call hd44780_remove(),
> we should release all relevant memory and resource. But "lcd->drvdata
> ->hd44780" is not released, which will lead to a memory leak.
>
> We should release the "lcd->drvdata->hd44780" in hd44780_remove() to fix
> the memory leak bug.
Miguel, can this be somehow moved forward?
--
With Best Regards,
Andy Shevchenko
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