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-rw-r--r--hw/acpi/nvdimm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/acpi/nvdimm.c b/hw/acpi/nvdimm.c
index 3e73ed456f..9fdad6dc3f 100644
--- a/hw/acpi/nvdimm.c
+++ b/hw/acpi/nvdimm.c
@@ -992,7 +992,7 @@ static void nvdimm_build_common_dsm(Aml *dev)
field = aml_field(NVDIMM_DSM_IOPORT, AML_DWORD_ACC, AML_NOLOCK,
AML_PRESERVE);
aml_append(field, aml_named_field(NVDIMM_DSM_NOTIFY,
- sizeof(uint32_t) * BITS_PER_BYTE));
+ NVDIMM_ACPI_IO_LEN * BITS_PER_BYTE));
aml_append(method, field);
/*