From e8727c27473288db5c57c9cd049cb36c84be8e7c Mon Sep 17 00:00:00 2001
From: Wang Yu Xin <wangyuxin@espressif.com>
Date: Thu, 27 Oct 2022 17:07:55 +0800
Subject: [PATCH] fix: heap corruption caused by dma_buffer in cam_deinit()

---
 driver/cam_hal.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/driver/cam_hal.c b/driver/cam_hal.c
index 27f66b6..62c27be 100644
--- a/driver/cam_hal.c
+++ b/driver/cam_hal.c
@@ -435,6 +435,9 @@ esp_err_t cam_deinit(void)
     if (cam_obj->frame_buffer_queue) {
         vQueueDelete(cam_obj->frame_buffer_queue);
     }
+
+    ll_cam_deinit(cam_obj);
+    
     if (cam_obj->dma) {
         free(cam_obj->dma);
     }
@@ -451,8 +454,6 @@ esp_err_t cam_deinit(void)
         free(cam_obj->frames);
     }
 
-    ll_cam_deinit(cam_obj);
-
     free(cam_obj);
     cam_obj = NULL;
     return ESP_OK;