linux-kernel - Re: [PATCH] pci: hda: Add IRQ check for platform_get

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Message-ID: <s5h7dimq97x.wl-tiwai@suse.de>
Date:   Tue, 22 Jun 2021 16:12:34 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Jiajun Cao <jjcao20@...an.edu.cn>
Cc:     yuanxzhang@...an.edu.cn, Xin Tan <tanxin.ctf@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Dmitry Osipenko <digetx@...il.com>,
        Mohan Kumar <mkumard@...dia.com>,
        Peter Geis <pgwipeout@...il.com>, alsa-devel@...a-project.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pci: hda: Add IRQ check for platform_get_irq()

On Tue, 22 Jun 2021 15:19:42 +0200,
Jiajun Cao wrote:
> 
> The function hda_tegra_first_init() neglects to check the return
> value after executing platform_get_irq().
> 
> hda_tegra_first_init() should check the return value (if negative
> error number) for errors so as to not pass a negative value to
> the devm_request_irq().
> 
> Fix it by adding a check for the return value irq_id.
> 
> Signed-off-by: Jiajun Cao <jjcao20@...an.edu.cn>
> Signed-off-by: Xin Tan <tanxin.ctf@...il.com>

Applied, thanks.


Takashi