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-rw-r--r--hw/ppc/spapr_iommu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c
index d57b05d5c0..6bc4d4db33 100644
--- a/hw/ppc/spapr_iommu.c
+++ b/hw/ppc/spapr_iommu.c
@@ -385,7 +385,9 @@ static void spapr_tce_reset(DeviceState *dev)
sPAPRTCETable *tcet = SPAPR_TCE_TABLE(dev);
size_t table_size = tcet->nb_table * sizeof(uint64_t);
- memset(tcet->table, 0, table_size);
+ if (tcet->nb_table) {
+ memset(tcet->table, 0, table_size);
+ }
}
static target_ulong put_tce_emu(sPAPRTCETable *tcet, target_ulong ioba,