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-rw-r--r--hw/tpm/tpm_tis.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index ac5f51f108..a6e2f6eb6c 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -1012,7 +1012,8 @@ static void tpm_tis_reset(DeviceState *dev)
int c;
s->be_tpm_version = tpm_backend_get_tpm_version(s->be_driver);
- s->be_buffer_size = tpm_backend_get_buffer_size(s->be_driver);
+ s->be_buffer_size = MIN(tpm_backend_get_buffer_size(s->be_driver),
+ TPM_TIS_BUFFER_MAX);
tpm_backend_reset(s->be_driver);
@@ -1044,7 +1045,7 @@ static void tpm_tis_reset(DeviceState *dev)
tpm_tis_realloc_buffer(&s->loc[c].r_buffer, s->be_buffer_size);
}
- tpm_tis_do_startup_tpm(s, 0);
+ tpm_tis_do_startup_tpm(s, s->be_buffer_size);
}
static const VMStateDescription vmstate_tpm_tis = {