From 3a8ff86d6b5a940630f3cd5d041ab3d13413214f Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Wed, 20 Feb 2019 19:44:11 -0800
Subject: [PATCH] GB: Fix crash when accessing SRAM if no save loaded and
 cartridge has no SRAM

---
 CHANGES     | 1 +
 src/gb/gb.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/CHANGES b/CHANGES
index dfbc73d9b..db6a4acff 100644
--- a/CHANGES
+++ b/CHANGES
@@ -15,6 +15,7 @@ Bugfixes:
  - Switch: Fix gyroscope orientation (fixes mgba.io/i/1300)
  - GBA SIO: Prevent writing read-only multiplayer bits
  - Qt: Fix color picking in sprite view (fixes mgba.io/i/1307)
+ - GB: Fix crash when accessing SRAM if no save loaded and cartridge has no SRAM
 Misc:
  - GBA Savedata: EEPROM performance fixes
  - GBA Savedata: Automatically map 1Mbit Flash files as 1Mbit Flash
diff --git a/src/gb/gb.c b/src/gb/gb.c
index 508483c1b..038401c83 100644
--- a/src/gb/gb.c
+++ b/src/gb/gb.c
@@ -202,7 +202,7 @@ void GBResizeSram(struct GB* gb, size_t size) {
 		if (gb->memory.sram == (void*) -1) {
 			gb->memory.sram = NULL;
 		}
-	} else {
+	} else if (size) {
 		uint8_t* newSram = anonymousMemoryMap(size);
 		if (gb->memory.sram) {
 			if (size > gb->sramSize) {