Rather than terminating abruptly, make use of the already present errp and
propagate the error to the caller.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 hw/isa/vt82c686.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index ee745d5d49..15aa5b39f1 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -612,7 +612,12 @@ static void via_isa_realize(PCIDevice *d, Error **errp)
     qdev_init_gpio_out(dev, &s->cpu_intr, 1);
     isa_irq = qemu_allocate_irqs(via_isa_request_i8259_irq, s, 1);
     isa_bus = isa_bus_new(dev, pci_address_space(d), pci_address_space_io(d),
-                          &error_fatal);
+                          errp);
+
+    if (!isa_bus) {
+        return;
+    }
+
     s->isa_irqs = i8259_init(isa_bus, *isa_irq);
     isa_bus_irqs(isa_bus, s->isa_irqs);
     i8254_pit_init(isa_bus, 0x40, 0, NULL);
-- 
2.37.2