[alsa-devel] [patch] ALSA: hda - unlock on error in azx_interrupt()

Takashi Iwai tiwai at suse.de
Fri May 18 15:47:32 CEST 2012


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 at 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) {
> 


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