arecord is failing with -V stereo

[Takashi Iwai]

On Mon, 23 Aug 2021 21:06:05 +0200,
sujith kumar reddy wrote:
> 
> Hi Folkert,
> 
> Tried with the above code.This is also getting p value negative.
> 
> My point is p is negative it doesn't go to
> 
> if (p >= bar_length)
>              p = bar_length - 1;
> it is going to memset second argument p,that is negative so crashing.

Gah, the code there contains lots of craps.  A negative value must not
have been passed there.

Below is a series of fixes.  Please give it a try.


thanks,

Takashi
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