linux-kernel - Re: [PATCH] serial: 8250_lpss: Fix memory leak in lpss8250

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Date: Fri, 26 Apr 2024 17:44:14 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: lumingyindetect@....com
Cc: linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	ilpo.jarvinen@...ux.intel.com, gregkh@...uxfoundation.org,
	jirislaby@...nel.or
Subject: Re: [PATCH] serial: 8250_lpss: Fix memory leak in lpss8250_probe()

On Fri, Apr 26, 2024 at 02:39:59PM +0100, lumingyindetect@....com wrote:
> From: LuMingYin <lumingyindetect@....com>
> 
> The return statements at line 347 and line 351 in the lpss8250_probe()
> function result in a memory leak of the variable pdev.  Add a label named
> free_irq_vectors in the lpss8250_probe() function to release the memory area
> pointed to by pdev.  Modify the two return statements mentioned above to jump
> to the label "free_irq_vectors" instead.

> Fixes: e88c4cfcb7b888ac374916806f86c17d8ecaeb67 ("serial: 8250_lpss: fix memory in lpss8250_probe()")

Same as for the previous version, NAK.

This patch does NOT fix anything. Please, read the code and try to understand
how it works.

-- 
With Best Regards,
Andy Shevchenko