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hw/tpm: free PPI buffer on finalization

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The PPI buffer is allocated with qemu_memalign() in instance_init but
never freed when the device is destroyed.

Fixes: 46cd2c1050 ("hw/tpm: add PPI support to tpm-tis-device for ARM64 virt")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
This commit is contained in:
Marc-André Lureau
2026-04-27 16:08:30 +04:00
parent 0d6ee59450
commit f644d26807
1 changed files with 9 additions and 0 deletions
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9
hw/tpm/tpm_tis_sysbus.c
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@@ -148,11 +148,20 @@ static void tpm_tis_sysbus_class_init(ObjectClass *klass, const void *data)
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
}
static void tpm_tis_sysbus_finalize(Object *obj)
{
TPMStateSysBus *sbdev = TPM_TIS_SYSBUS(obj);
TPMState *s = &sbdev->state;
qemu_vfree(s->ppi.buf);
}
static const TypeInfo tpm_tis_sysbus_info = {
.name = TYPE_TPM_TIS_SYSBUS,
.parent = TYPE_DYNAMIC_SYS_BUS_DEVICE,
.instance_size = sizeof(TPMStateSysBus),
.instance_init = tpm_tis_sysbus_initfn,
.instance_finalize = tpm_tis_sysbus_finalize,
.class_init = tpm_tis_sysbus_class_init,
.interfaces = (const InterfaceInfo[]) {
{ TYPE_TPM_IF },