Re: OPL3SA2: spin_is_locked on uninitialized spinlock

From: Felipe Alfaro Solana
Date: Wed Aug 13 2003 - 08:39:09 EST


On Wed, 2003-08-13 at 14:04, Andrew Morton wrote:
> Felipe Alfaro Solana <felipe_alfaro@xxxxxxxxxxxxx> wrote:
> >
> > I've found a lot of errors like this when loading the OPL3SA2 sound
> > driver on my old Intel AL440LX computer, running 2.6.0-test3-mm1:
> >
> > sound/isa/opl3sa2.c:204: spin_is_locked on uninitialized spinlock
> > d6200034.
>
> Does this help?
>
> diff -puN sound/isa/opl3sa2.c~opl3sa2-lock-init-fix sound/isa/opl3sa2.c
> --- 25/sound/isa/opl3sa2.c~opl3sa2-lock-init-fix 2003-08-13 05:03:32.000000000 -0700
> +++ 25-akpm/sound/isa/opl3sa2.c 2003-08-13 05:04:06.000000000 -0700
> @@ -752,6 +752,7 @@ static int __devinit snd_opl3sa2_probe(i
> err = -ENOMEM;
> goto __error;
> }
> + spin_lock_init(&chip->reg_lock);
> chip->irq = -1;
> if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
> goto __error;
>
> _
>

Yes, it does...
Thanks!

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