From: Takashi Iwai <tiwai@suse.de>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: alsa-devel@alsa-project.org, kernel-janitors@vger.kernel.org,
David Henningsson <david.henningsson@canonical.com>
Subject: Re: [patch] ALSA: hda - unlock on error in azx_interrupt()
Date: Fri, 18 May 2012 13:47:32 +0000 [thread overview]
Message-ID: <s5h4nrdbnyj.wl%tiwai@suse.de> (raw)
In-Reply-To: <20120518073611.GA4136@elgon.mountain>
At Fri, 18 May 2012 10:36:11 +0300,
Dan Carpenter wrote:
>
> There is an spin_unlock() missing on this error path.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> This was added recently in a82d51ed2 "ALSA: hda - Support
> VGA-switcheroo". I don't have the hardware so I haven't tested it.
Good catch. Applied now.
Thanks.
Takashi
> diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
> index bbf953f..2b6392b 100644
> --- a/sound/pci/hda/hda_intel.c
> +++ b/sound/pci/hda/hda_intel.c
> @@ -1268,8 +1268,10 @@ static irqreturn_t azx_interrupt(int irq, void *dev_id)
>
> spin_lock(&chip->reg_lock);
>
> - if (chip->disabled)
> + if (chip->disabled) {
> + spin_unlock(&chip->reg_lock);
> return IRQ_NONE;
> + }
>
> status = azx_readl(chip, INTSTS);
> if (status = 0) {
>
prev parent reply other threads:[~2012-05-18 13:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-18 7:36 [patch] ALSA: hda - unlock on error in azx_interrupt() Dan Carpenter
2012-05-18 13:47 ` Takashi Iwai [this message]
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