--- zzzz-none-000/linux-3.10.107/drivers/net/wireless/ath/ath5k/attach.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wireless/ath/ath5k/attach.c	2021-02-04 17:41:59.000000000 +0000
@@ -351,8 +351,7 @@
 {
 	__set_bit(ATH_STAT_INVALID, ah->status);
 
-	if (ah->ah_rf_banks != NULL)
-		kfree(ah->ah_rf_banks);
+	kfree(ah->ah_rf_banks);
 
 	ath5k_eeprom_detach(ah);