From 882b50dd8cdbcbd6d9e93e7193229cebc855f225 Mon Sep 17 00:00:00 2001
From: Darian Leung <darian@espressif.com>
Date: Wed, 11 Jul 2018 21:31:23 +0800
Subject: [PATCH] driver: Fix memory leak in rtc_isr_deregister()

Closes #2179
---
 components/driver/rtc_module.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/driver/rtc_module.c b/components/driver/rtc_module.c
index 333f50cc11..8a5c39a6a4 100644
--- a/components/driver/rtc_module.c
+++ b/components/driver/rtc_module.c
@@ -1983,6 +1983,7 @@ esp_err_t rtc_isr_deregister(intr_handler_t handler, void* handler_arg)
                 SLIST_REMOVE_AFTER(prev, next);
             }
             found = true;
+            free(it);
             break;
         }
         prev = it;