linux-kernel - Re: [PATCH] ALSA: hda

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Date:   Sat, 10 Aug 2019 09:57:42 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Wenwen Wang <wenwen@...uga.edu>
Cc:     "moderated list:SOUND" <alsa-devel@...a-project.org>,
        Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ALSA: hda - Fix a memory leak bug

On Sat, 10 Aug 2019 06:29:48 +0200,
Wenwen Wang wrote:
> 
> In snd_hda_parse_generic_codec(), 'spec' is allocated through kzalloc().
> Then, the pin widgets in 'codec' are parsed. However, if the parsing
> process fails, 'spec' is not deallocated, leading to a memory leak.
> 
> To fix the above issue, free 'spec' before returning the error.
> 
> Signed-off-by: Wenwen Wang <wenwen@...uga.edu>

Applied, thanks.


Takashi