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tpm: "qemu -tpmdev help" should return success

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Like other "-foo help" CLI, the qemu process should return 0 for
"-tpmdev help".

While touching this, switch to is_help_option() utility function as
suggested by Peter Maydell.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20250707101412.2055581-1-marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau
2025-07-07 14:14:12 +04:00
parent 0ba45b7945
commit df892b3954
1 changed files with 3 additions and 2 deletions
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5
system/tpm.c
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@@ -21,6 +21,7 @@
#include "system/tpm.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "qemu/help_option.h"
static QLIST_HEAD(, TPMBackend) tpm_backends =
QLIST_HEAD_INITIALIZER(tpm_backends);
@@ -179,9 +180,9 @@ int tpm_config_parse(QemuOptsList *opts_list, const char *optstr)
{
QemuOpts *opts;
if (!strcmp(optstr, "help")) {
if (is_help_option(optstr)) {
tpm_display_backend_drivers();
return -1;
exit(EXIT_SUCCESS);
}
opts = qemu_opts_parse_noisily(opts_list, optstr, true);
if (!opts) {