On Tue, 2015-12-29 at 01:38 +0700, Ivan Safonov wrote:
> On 12/29/2015 12:56 AM, Joe Perches wrote:
> > On Mon, 2015-12-28 at 20:48 +0700, Ivan Safonov wrote:
> > > ((thermometer < 0) ? 0 : (thermometer == X)) and (thermometer ==
> > > X) are equal for X >= 0.
> > X is not guaranteed to be >= 0 here
>
> X is fixed constant. In this case X is {0, 1, 2}.
Looks like it can be -1 to me (range: -1, 0, 1, 2)
static int ar9003_hw_get_thermometer(struct ath_hw *ah)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
struct ar9300_base_eep_hdr *pBase = &eep->baseEepHeader;
int thermometer = (pBase->miscConfiguration >> 1) & 0x3;
return --thermometer;
}
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