Re: OPL3SA2: spin_is_locked on uninitialized spinlock

[Andrew Morton]

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;

_

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