--- /dev/null
+--- a/drivers/net/wireless/ath/ath9k/main.c
++++ b/drivers/net/wireless/ath/ath9k/main.c
+@@ -1483,14 +1483,6 @@ static int ath9k_add_interface(struct ie
+ }
+ }
+
+- if ((vif->type == NL80211_IFTYPE_ADHOC) &&
+- sc->nvifs > 0) {
+- ath_err(common, "Cannot create ADHOC interface when other"
+- " interfaces already exist.\n");
+- ret = -EINVAL;
+- goto out;
+- }
+-
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "Attach a VIF of type: %d\n", vif->type);
+