linux-kernel - Re: [PATCH v2] ASoC: test-component: fix null pointer dereference.

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Date:   Wed, 8 Dec 2021 17:05:26 +0500
From:   Ameer Hamza <amhamza.mgc@...il.com>
To:     Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:     "lgirdwood@...il.com" <lgirdwood@...il.com>,
        "broonie@...nel.org" <broonie@...nel.org>,
        "perex@...ex.cz" <perex@...ex.cz>,
        "tiwai@...e.com" <tiwai@...e.com>,
        "alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] ASoC: test-component: fix null pointer dereference.

On Wed, Dec 08, 2021 at 12:05:46AM +0000, Kuninori Morimoto wrote:
> 
> Hi Ameer
> 
> Ah, you posted the patch :)
> 
> > Subject: [PATCH v2] ASoC: test-component: fix null pointer dereference.
> >
> > Dereferncing of_id pointer will result in exception in current
> > implementation since of_match_device() will assign it to NULL.
> > Adding NULL check for protection.
> 
> Previous your patch was already accepted,
> thus this is not v2 patch.
> git log should indicate is replace of_match_device() to of_device_get_match_data()
Thank you for your kind response and clarifying the process. Let me send
the updated patch. :)

Best Regards,
Ameer Hamza.