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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>
This commit is contained in:
Stefan Berger 2017-06-29 14:01:11 -04:00 committed by Jiri Denemark
parent a0b628432a
commit dfbb15b754
1 changed files with 1 additions and 3 deletions
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4
src/util/virtpm.c
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@ -61,9 +61,7 @@ virTPMCreateCancelPath(const char *devpath)
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);