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tpm: Use /dev/null for cancel path if none was found
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> (cherry picked from commit dfbb15b75433e520fb1b905c1c3e28753e53e4a5)
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@ -61,9 +61,7 @@ virTPMCreateCancelPath(const char *devpath)
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VIR_FREE(path);
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}
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if (!path)
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virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
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_("No usable sysfs TPM cancel file could be "
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"found"));
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ignore_value(VIR_STRDUP(path, "/dev/null"));
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} else {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("TPM device path %s is invalid"), devpath);
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