File dfbb15b7-tpm-Use-dev-null-for-cancel-path-if-no... of Package libvirt.8364

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File dfbb15b7-tpm-Use-dev-null-for-cancel-path-if-none-was-found.patch of Package libvirt.8364

From d81c25b5af370e28ad4d33388632db46a5ffda5e Mon Sep 17 00:00:00 2001
From: Stefan Berger <stefanb@linux.vnet.ibm.com>
Date: Thu, 29 Jun 2017 14:01:11 -0400
Subject: [PATCH] tpm: Use /dev/null for cancel path if none was found
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TPM 2 does not implement sysfs files for cancellation of commands.
We therefore use /dev/null for the cancel path passed to QEMU.

Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Tested-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
 src/util/virtpm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Index: libvirt-2.0.0/src/util/virtpm.c
===================================================================
--- libvirt-2.0.0.orig/src/util/virtpm.c
+++ libvirt-2.0.0/src/util/virtpm.c
@@ -61,9 +61,7 @@ virTPMCreateCancelPath(const char *devpa
                 VIR_FREE(path);
             }
             if (!path)
-                virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                               _("No usable sysfs TPM cancel file could be "
-                                 "found"));
+                ignore_value(VIR_STRDUP(path, "/dev/null"));
         } else {
             virReportError(VIR_ERR_INTERNAL_ERROR,
                            _("TPM device path %s is invalid"), devpath);

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File dfbb15b7-tpm-Use-dev-null-for-cancel-path-if-none-was-found.patch of Package libvirt.8364

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