ath9k: process rx packet if we are waiting for CAB

If we are in PS mode, we have to process the received frame if
the SC_OP_WAIT_FOR_CAB bit is set.

Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 5014a19..f99f3a7 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -817,6 +817,7 @@
 		}
 
 		if (unlikely(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+					     SC_OP_WAIT_FOR_CAB |
 					     SC_OP_WAIT_FOR_PSPOLL_DATA)))
 			ath_rx_ps(sc, skb);