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-rw-r--r--hw/display/vga.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/display/vga.c b/hw/display/vga.c
index 8891e0a064..c4c3238d5f 100644
--- a/hw/display/vga.c
+++ b/hw/display/vga.c
@@ -171,6 +171,10 @@ static void vga_update_memory_access(VGACommonState *s)
MemoryRegion *region, *old_region = s->chain4_alias;
hwaddr base, offset, size;
+ if (s->legacy_address_space == NULL) {
+ return;
+ }
+
s->chain4_alias = NULL;
if ((s->sr[VGA_SEQ_PLANE_WRITE] & VGA_SR02_ALL_PLANES) ==