ath9k: remove dangling error check on keycache reset on hw init

The keycache reset will not fail as right above we ensure
to set the sc->keymax to be <= ah->caps.keycache_size. Just remove
this dangling check.
Signed-off-by: NLuis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/main.c

@@ -1363,9 +1363,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc)
 	for (i = 0; i < sc->keymax; i++)
 		ath9k_hw_keyreset(ah, (u16) i);
 
-	if (r)
-		goto bad;
-
 	/* default to MONITOR mode */
 	sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;