From 3ca520fd1c66d1aca82ea22f61599395273cb4b5 Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.vnet.ibm.com>
Date: Mon, 13 Nov 2017 20:44:06 -0500
Subject: [PATCH] swtpm_ioctl: print error message in case setting state blob
 fails

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
---
 src/swtpm_ioctl/tpm_ioctl.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/swtpm_ioctl/tpm_ioctl.c b/src/swtpm_ioctl/tpm_ioctl.c
index a6990b4..b2fbab8 100644
--- a/src/swtpm_ioctl/tpm_ioctl.c
+++ b/src/swtpm_ioctl/tpm_ioctl.c
@@ -574,6 +574,13 @@ static int do_load_state_blob(int fd, bool is_chardev, const char *blobtype,
                     goto cleanup;
                 }
                 res = devtoh32(is_chardev, pss.u.resp.tpm_result);
+                if (res != 0) {
+                    fprintf(stderr,
+                            "TPM result from PTM_SET_STATEBLOB: 0x%x\n",
+                            res);
+                    had_error = 1;
+                    goto cleanup;
+                }
                 break;
             }