psxmem: fix error handling

[pcsx_rearmed.git] / libpcsxcore / psxmem.c

diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c
index 86da68c..6277220 100644 (file)
--- a/libpcsxcore/psxmem.c
+++ b/libpcsxcore/psxmem.c
@@ -49,20 +49,21 @@ void *psxMap(unsigned long addr, size_t size, int is_fixed,
 
 retry:
        if (psxMapHook != NULL) {
-               ret = psxMapHook(addr, size, is_fixed, tag);
-               goto out;
+               ret = psxMapHook(addr, size, 0, tag);
+               if (ret == NULL)
+                       return NULL;
+       }
+       else {
+               /* avoid MAP_FIXED, it overrides existing mappings.. */
+               /* if (is_fixed)
+                       flags |= MAP_FIXED; */
+
+               req = (void *)addr;
+               ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
+               if (ret == MAP_FAILED)
+                       return NULL;
        }
 
-       /* avoid MAP_FIXED, it overrides existing mappings.. */
-       /* if (is_fixed)
-               flags |= MAP_FIXED; */
-
-       req = (void *)addr;
-       ret = mmap(req, size, PROT_READ | PROT_WRITE, flags, -1, 0);
-       if (ret == MAP_FAILED)
-               return NULL;
-
-out:
        if (addr != 0 && ret != (void *)addr) {
                SysMessage("psxMap: warning: wanted to map @%08x, got %p\n",
                        addr, ret);
@@ -72,8 +73,7 @@ out:
                        return NULL;
                }
 
-               if (ret != NULL && ((addr ^ (long)ret) & 0x00ffffff)
-                   && !tried_to_align)
+               if (((addr ^ (long)ret) & 0x00ffffff) && !tried_to_align)
                {
                        psxUnmap(ret, size, tag);