ath9k: Fix return code when ath9k_hw_setpower() fails on reset

We were not reporting a status code back ath9k_hw_setpower() failed
during reset so lets correct this.

Reported-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index 372ae61..98bc25c 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -5892,8 +5892,10 @@
 		goto bad;
 	}
 
-	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE))
-		return false;
+	if (!ath9k_hw_setpower(ah, ATH9K_PM_AWAKE)) {
+		ecode = -EIO;
+		goto bad;
+	}
 
 	if (curchan)
 		ath9k_hw_getnf(ah, curchan);