From: notaz <notasas@gmail.com>
Date: Tue, 1 Oct 2024 16:36:25 +0000 (+0300)
Subject: psxmem: fix map retry breakage
X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b2c3926522942d76fda85db22c6fa5e13cf4ce9;p=pcsx_rearmed.git

psxmem: fix map retry breakage

fixes 417b59ebc326fc753f8c881c24fc7aff975df7ea
---

diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c
index a70cc623..a8dfaa83 100644
--- a/libpcsxcore/psxmem.c
+++ b/libpcsxcore/psxmem.c
@@ -90,10 +90,12 @@ void *psxMap(unsigned long addr, size_t size, int is_fixed,
 		enum psxMapTag tag)
 {
 	int try_, can_retry_addr = 0;
-	void *ret;
+	void *ret = MAP_FAILED;
 
 	for (try_ = 0; try_ < 3; try_++)
 	{
+		if (ret != MAP_FAILED)
+			psxUnmap(ret, size, tag);
 		ret = psxMapHook(addr, size, tag, &can_retry_addr);
 		if (ret == NULL)
 			return MAP_FAILED;
@@ -109,8 +111,6 @@ void *psxMap(unsigned long addr, size_t size, int is_fixed,
 			if (can_retry_addr && ((addr ^ (uintptr_t)ret) & ~0xff000000l)) {
 				unsigned long mask;
 
-				psxUnmap(ret, size, tag);
-
 				// try to use similarly aligned memory instead
 				// (recompiler prefers this)
 				mask = try_ ? 0xffff : 0xffffff;