From 4f3ddbb299f4882a285e66ee150671231781d1b2 Mon Sep 17 00:00:00 2001
From: jiangguangming <jiangguangming@espressif.com>
Date: Wed, 22 Jul 2020 15:08:53 +0800
Subject: [PATCH] flash_mmap: restore interrupt and cache before err return

---
 components/spi_flash/flash_mmap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/components/spi_flash/flash_mmap.c b/components/spi_flash/flash_mmap.c
index 534a7e3d3..b3ccf301e 100644
--- a/components/spi_flash/flash_mmap.c
+++ b/components/spi_flash/flash_mmap.c
@@ -157,6 +157,7 @@ esp_err_t IRAM_ATTR spi_flash_mmap_pages(const int *pages, size_t page_count, sp
     uint32_t region_addr;  // base address of memory region
     get_mmu_region(memory,&region_begin,&region_size,&region_addr);
     if (region_size < page_count) {
+        spi_flash_enable_interrupts_caches_and_other_cpu();
         return ESP_ERR_NO_MEM;
     }
     // The following part searches for a range of MMU entries which can be used.