From: Cédric Le Goater <clg@kaod.org>
Date: Thu, 2 Sep 2021 13:09:10 +0000 (+0200)
Subject: ppc/pnv: Add an assert when calculating the RAM distribution on chips
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=f640afec1a14e99d561f7da93e3fc8a5e1206384;p=qemu.git

ppc/pnv: Add an assert when calculating the RAM distribution on chips

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210902130928.528803-3-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
---

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 03c86508d2..71e45515f1 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -723,6 +723,8 @@ static uint64_t pnv_chip_get_ram_size(PnvMachineState *pnv, int chip_id)
         return QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
     }
 
+    assert(pnv->num_chips > 1);
+
     ram_per_chip = (machine->ram_size - 1 * GiB) / (pnv->num_chips - 1);
     return chip_id == 0 ? 1 * GiB : QEMU_ALIGN_DOWN(ram_per_chip, 1 * MiB);
 }