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Check if m_pServerCallbacks is not null before calling method. (#5603)

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Fixes: https://github.com/espressif/arduino-esp32/issues/5573

To reproduce:
1. Run any sample code that starts a BLE server, and does not call `setCallbacks`.
2. Connect to the device using the "LightBlue" app on iOS.
3. Observe crash shown in the issue linked above.
This commit is contained in:
Mark 2021-08-30 23:20:02 -07:00 committed by GitHub
parent 24b76cbb14
commit 9eea85f9ff
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1 changed files with 3 additions and 1 deletions
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4
libraries/BLE/src/BLEServer.cpp
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@ -157,7 +157,9 @@ void BLEServer::handleGATTServerEvent(esp_gatts_cb_event_t event, esp_gatt_if_t
case ESP_GATTS_MTU_EVT: case ESP_GATTS_MTU_EVT:
updatePeerMTU(param->mtu.conn_id, param->mtu.mtu); updatePeerMTU(param->mtu.conn_id, param->mtu.mtu);
m_pServerCallbacks->onMtuChanged(this, param); if (m_pServerCallbacks != nullptr) {
m_pServerCallbacks->onMtuChanged(this, param);
}
break; break;
// ESP_GATTS_CONNECT_EVT // ESP_GATTS_CONNECT_EVT