From ba3f47efd67a645c78b0e2d63eaba1ba0fa71cfd Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@espressif.com>
Date: Thu, 12 Dec 2019 10:37:00 +1100
Subject: [PATCH] bootloader_support: fix crash in image verification is SHA
 doesn't match

---
 components/bootloader_support/src/esp_image_format.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/bootloader_support/src/esp_image_format.c b/components/bootloader_support/src/esp_image_format.c
index e44bb94abf..8a22e8209c 100644
--- a/components/bootloader_support/src/esp_image_format.c
+++ b/components/bootloader_support/src/esp_image_format.c
@@ -222,6 +222,7 @@ static esp_err_t image_load(esp_image_load_mode_t mode, const esp_partition_pos_
             // No secure boot, but SHA-256 can be appended for basic corruption detection
             if (sha_handle != NULL && !esp_cpu_in_ocd_debug_mode()) {
                 err = verify_simple_hash(sha_handle, data);
+                sha_handle = NULL; // calling verify_simple_hash finishes sha_handle
             }
 #endif // SECURE_BOOT_CHECK_SIGNATURE
         } else { // verify_sha