esp_event: fix minor memory leak when overwriting alredy registered handler

diff --git a/components/esp_event/esp_event.c b/components/esp_event/esp_event.c
index d9f65c4a2f4b44ade0eb16f17db73d2fa7233d38..e0a0f04480ebcdcb35b6981fa352e9df68e5bd51 100644 (file)
--- a/components/esp_event/esp_event.c
+++ b/components/esp_event/esp_event.c
@@ -164,6 +164,7 @@ static esp_err_t handler_instances_add(esp_event_handler_instances_t* handlers,
             if (handler == it->handler) {
                 it->arg = handler_arg;
                 ESP_LOGW(TAG, "handler already registered, overwriting");
+                free(handler_instance);
                 return ESP_OK;
             }
             last = it;