openwrt-xburst/package/mac80211/patches/550-ath9k_chainmask_read_fix.patch

--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -81,11 +81,10 @@ static ssize_t read_file_tx_chainmask(st
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	char buf[32];
 	unsigned int len;
 
-	len = sprintf(buf, "0x%08x\n", common->tx_chainmask);
+	len = sprintf(buf, "0x%08x\n", sc->sc_ah->caps.tx_chainmask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }
 
@@ -124,11 +123,10 @@ static ssize_t read_file_rx_chainmask(st
 			     size_t count, loff_t *ppos)
 {
 	struct ath_softc *sc = file->private_data;
-	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	char buf[32];
 	unsigned int len;
 
-	len = sprintf(buf, "0x%08x\n", common->rx_chainmask);
+	len = sprintf(buf, "0x%08x\n", sc->sc_ah->caps.rx_chainmask);
 	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
 }