ath9k: qualify global modparam_nohwcrypt variable

Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index fcc087c..3681caf5 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -664,7 +664,7 @@
 }
 
 extern struct ieee80211_ops ath9k_ops;
-extern int modparam_nohwcrypt;
+extern int ath9k_modparam_nohwcrypt;
 extern int led_blink;
 extern int ath9k_pm_qos_value;
 extern bool is_ath9k_unloaded;
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index b6643b5..767d8b8 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -29,8 +29,8 @@
 module_param_named(debug, ath9k_debug, uint, 0);
 MODULE_PARM_DESC(debug, "Debugging mask");
 
-int modparam_nohwcrypt;
-module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
+int ath9k_modparam_nohwcrypt;
+module_param_named(nohwcrypt, ath9k_modparam_nohwcrypt, int, 0444);
 MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
 
 int led_blink;
@@ -653,7 +653,7 @@
 	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
 		 hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
 
-	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
+	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || ath9k_modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
 	hw->wiphy->interface_modes =
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a818e4f..f90a6ca 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1829,7 +1829,7 @@
 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
 	int ret = 0;
 
-	if (modparam_nohwcrypt)
+	if (ath9k_modparam_nohwcrypt)
 		return -ENOSPC;
 
 	mutex_lock(&sc->mutex);