ath9k: Set RX filter for Probe Request based on filter flag

This allows mac80211 to enable receiving of Probe Request frames in
station mode which is needed for P2P.

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1739,6 +1739,7 @@ skip_chan_change:
 	FIF_PSPOLL |				\
 	FIF_OTHER_BSS |				\
 	FIF_BCN_PRBRESP_PROMISC |		\
+	FIF_PROBE_REQ |				\
 	FIF_FCSFAIL)
 
 /* FIXME: sc->sc_full_reset ? */

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

@@ -430,8 +430,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
 		| ATH9K_RX_FILTER_UCAST | ATH9K_RX_FILTER_BCAST
 		| ATH9K_RX_FILTER_MCAST;
 
-	/* If not a STA, enable processing of Probe Requests */
-	if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
+	if (sc->rx.rxfilter & FIF_PROBE_REQ)
 		rfilt |= ATH9K_RX_FILTER_PROBEREQ;
 
 	/*