From: Angus Gratton <angus@espressif.com>
Date: Wed, 19 Dec 2018 22:34:42 +0000 (+1100)
Subject: psram: Use 8-bit type for _ext_ram_bss_start/_ext_ram_bss_end
X-Git-Tag: v3.2-beta3~61^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=aa0d2078b7b205595ff5821bfdbb6c100f570bc7;p=esp-idf

psram: Use 8-bit type for _ext_ram_bss_start/_ext_ram_bss_end

Fixes pointer arithmetic when printing size of remaining heap
---

diff --git a/components/esp32/spiram.c b/components/esp32/spiram.c
index 11a775b826..dbb279d212 100644
--- a/components/esp32/spiram.c
+++ b/components/esp32/spiram.c
@@ -61,7 +61,7 @@ static const char* TAG = "spiram";
 #endif
 
 #if CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
-extern int _ext_ram_bss_start, _ext_ram_bss_end;
+extern uint8_t _ext_ram_bss_start, _ext_ram_bss_end;
 #endif
 static bool spiram_inited=false;