qcacld-3.0: Clean up wlan ipa sap interface for stop bss fail

Currently during sap virtual interface delete, if FW is down then
sap stop bss fails. If sap stop bss fails there won’t be any IPA
WLAN events and ipa ctx will have the IPA interface. But adapter
and corresponding netdev are freed up for delete virtual interace.
As part of FW down system recovery takes place. So while doing ipa
SSR cleanup, ipa ctx ipa interfaces are freed and here during interface
cleanup host accesses the already freed net dev address. So clean up
wlan ipa sap interface in case of stop bss failure.

Change-Id: Ie1ce376e6811eb3cd55dd8dc7b921f82451cd892
CRs-Fixed: 2539863

core/hdd/src/wlan_hdd_main.c

@@ -5755,6 +5755,25 @@ void wlan_hdd_reset_prob_rspies(struct hdd_adapter *adapter)
 	}
 }
 
+/**
+ * hdd_ipa_ap_disconnect_evt() - Indicate wlan ipa ap disconnect event
+ * @hdd_ctx: hdd context
+ * @adapter: hdd adapter
+ *
+ * Return: None
+ */
+static inline
+void hdd_ipa_ap_disconnect_evt(struct hdd_context *hdd_ctx,
+			       struct hdd_adapter *adapter)
+{
+	if (ucfg_ipa_is_enabled()) {
+		ucfg_ipa_uc_disconnect_ap(hdd_ctx->pdev,
+					  adapter->dev);
+		ucfg_ipa_cleanup_dev_iface(hdd_ctx->pdev,
+					   adapter->dev);
+	}
+}
+
 QDF_STATUS hdd_stop_adapter(struct hdd_context *hdd_ctx,
 			    struct hdd_adapter *adapter)
 {
@@ -5972,9 +5991,12 @@ QDF_STATUS hdd_stop_adapter(struct hdd_context *hdd_ctx,
 				status = qdf_wait_for_event_completion(
 					&hostapd_state->qdf_stop_bss_event,
 					SME_CMD_STOP_BSS_TIMEOUT);
-				if (QDF_IS_STATUS_ERROR(status))
+				if (QDF_IS_STATUS_ERROR(status)) {
 					hdd_err("failure waiting for wlansap_stop_bss %d",
 						status);
+					hdd_ipa_ap_disconnect_evt(hdd_ctx,
+								  adapter);
+				}
 			} else {
 				hdd_err("failure in wlansap_stop_bss");
 			}