[Qemu-devel] [PATCH 1/2] tpm: Exit in reset when backend indicates failure

[Stefan Berger]

Exit() in the frontend reset function when the backend indicates
intialization failure.

Signed-off-by: Stefan Berger <address@hidden>
---
 hw/tpm/tpm_crb.c | 4 +++-
 hw/tpm/tpm_tis.c | 4 +++-
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hw/tpm/tpm_crb.c b/hw/tpm/tpm_crb.c
index 5e2db9e0c4..db0e3e7c67 100644
--- a/hw/tpm/tpm_crb.c
+++ b/hw/tpm/tpm_crb.c
@@ -273,7 +273,9 @@ static void tpm_crb_reset(void *dev)
     s->be_buffer_size = MIN(tpm_backend_get_buffer_size(s->tpmbe),
                             CRB_CTRL_CMD_SIZE);
 
-    tpm_backend_startup_tpm(s->tpmbe, s->be_buffer_size);
+    if (tpm_backend_startup_tpm(s->tpmbe, s->be_buffer_size) < 0) {
+        exit(1);
+    }
 }
 
 static void tpm_crb_realize(DeviceState *dev, Error **errp)
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 174618ac30..d6b3212890 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -910,7 +910,9 @@ static void tpm_tis_reset(DeviceState *dev)
         s->rw_offset = 0;
     }
 
-    tpm_backend_startup_tpm(s->be_driver, s->be_buffer_size);
+    if (tpm_backend_startup_tpm(s->be_driver, s->be_buffer_size) < 0) {
+        exit(1);
+    }
 }
 
 /* persistent state handling */
-- 
2.20.1