powerpc: hv{cs, si}_close() both unsigned hp->count and hvcsd->open_count cannot be negative

[Andreas Schwab]

roel kluin <roel.kluin at gmail.com> writes:

> -	if (--hvcsd->open_count == 0) {
> +	if (hvcsd->open_count == 1) {
> +		hvcsd->open_count--;

This is not the same.

> -	if (--hp->count == 0) {
> +	if (hp->count == 1) {
> +		hp->count--;

Likewise.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab at suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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