On Nov 7, 2007 10:50 AM, Roel Kluin <[EMAIL PROTECTED]> wrote:
> If count reaches zero, the loop ends, but the postfix decrement still
> subtracts:
> testing for 'count == 0' will not work.
>
> Signed-off-by: Roel Kluin <[EMAIL PROTECTED]>
> ---
> diff --git a/sound/oss/trident.c b/sound/oss/trident.c
> index 96adc47..6959ee1 100644
> --- a/sound/oss/trident.c
> +++ b/sound/oss/trident.c
> @@ -2935,7 +2935,7 @@ trident_ac97_set(struct ac97_codec *codec, u8 reg, u16
> val)
> do {
> if ((inw(TRID_REG(card, address)) & busy) == 0)
> break;
> - } while (count--);
> + } while (--count);
>
> data |= (mask | (reg & AC97_REG_ADDR));
>
> @@ -2996,7 +2996,7 @@ trident_ac97_get(struct ac97_codec *codec, u8 reg)
> data = inl(TRID_REG(card, address));
> if ((data & busy) == 0)
> break;
> - } while (count--);
> + } while (--count);
>
> spin_unlock_irqrestore(&card->lock, flags);
>
> if (count == 0) {
>
Thanks, much better. In the future, please also CC: the appropriate
maintainers, or Andrew Morton if you're at a loss...
Reviewed-by: Ray Lee <[EMAIL PROTECTED]>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
