Merge branch 'bugfix/eapol_drop_issue_v4.4' into 'release/v4.4'

esp_wifi: clear old keys before going for new connection(backport v4.4)

See merge request espressif/esp-idf!18996

Author: jack0c

components/esp_wifi/lib

@@ -277,9 +277,9 @@ int wps_post(uint32_t sig, uint32_t par)
 }
 #endif
 
-static void wps_sendto_wrapper(void *buffer, uint16_t len)
+static int wps_sendto_wrapper(void *buffer, uint16_t len)
 {
-    esp_wifi_internal_tx(WIFI_IF_STA, buffer, len);
+    return esp_wifi_internal_tx(WIFI_IF_STA, buffer, len);
 }
 
 /*
@@ -301,9 +301,7 @@ static inline int wps_sm_ether_send(struct wps_sm *sm, const u8 *dest, u16 proto
     os_memcpy(eth->h_source, sm->ownaddr, ETH_ALEN);
     eth->h_proto = host_to_be16(proto);
 
-    wps_sendto_wrapper(buffer, sizeof(struct l2_ethhdr) + data_len);
-
-    return ESP_OK;
+    return wps_sendto_wrapper(buffer, sizeof(struct l2_ethhdr) + data_len);
 }
 
 
@@ -648,6 +646,7 @@ int wps_send_eap_identity_rsp(u8 id)
     eap_buf = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_IDENTITY, sm->identity_len,
                             EAP_CODE_RESPONSE, id);
     if (!eap_buf) {
+        wpa_printf(MSG_ERROR, "eap buf allocation failed");
         ret = ESP_FAIL;
         goto _err;
     }
@@ -663,12 +662,14 @@ int wps_send_eap_identity_rsp(u8 id)
 
     buf = wps_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head_u8(eap_buf), wpabuf_len(eap_buf), (size_t *)&len, NULL);
     if (!buf) {
+        wpa_printf(MSG_ERROR, "buf allocation failed");
         ret = ESP_ERR_NO_MEM;
         goto _err;
     }
 
     ret = wps_sm_ether_send(sm, bssid, ETH_P_EAPOL, buf, len);
     if (ret) {
+        wpa_printf(MSG_ERROR, "wps sm ether send failed ret=%d", ret);
         ret = ESP_FAIL;
         goto _err;
     }