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hw: ccid-card-emulated: cleanup resource when realize in error path

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Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1539946236-18028-3-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang 2018-10-19 03:50:36 -07:00 committed by Gerd Hoffmann
parent ca1d410285
commit 7dea29e4af
1 changed files with 14 additions and 6 deletions
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20
hw/usb/ccid-card-emulated.c
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@ -499,7 +499,7 @@ static void emulated_realize(CCIDCardState *base, Error **errp)
card->reader = NULL;
card->quit_apdu_thread = 0;
if (init_event_notifier(card, errp) < 0) {
return;
goto out1;
}
card->backend = 0;
@ -513,7 +513,7 @@ static void emulated_realize(CCIDCardState *base, Error **errp)
for (ptable = backend_enum_table; ptable->name != NULL; ++ptable) {
error_append_hint(errp, "%s\n", ptable->name);
}
return;
goto out2;
}
/* TODO: a passthru backened that works on local machine. third card type?*/
@ -523,31 +523,39 @@ static void emulated_realize(CCIDCardState *base, Error **errp)
} else {
error_setg(errp, "%s: you must provide all three certs for"
" certificates backend", TYPE_EMULATED_CCID);
return;
goto out2;
}
} else {
if (card->backend != BACKEND_NSS_EMULATED) {
error_setg(errp, "%s: bad backend specified. The options are:%s"
" (default), %s.", TYPE_EMULATED_CCID,
BACKEND_NSS_EMULATED_NAME, BACKEND_CERTIFICATES_NAME);
return;
goto out2;
}
if (card->cert1 != NULL || card->cert2 != NULL || card->cert3 != NULL) {
error_setg(errp, "%s: unexpected cert parameters to nss emulated "
"backend", TYPE_EMULATED_CCID);
return;
goto out2;
}
/* default to mirroring the local hardware readers */
ret = wrap_vcard_emul_init(NULL);
}
if (ret != VCARD_EMUL_OK) {
error_setg(errp, "%s: failed to initialize vcard", TYPE_EMULATED_CCID);
return;
goto out2;
}
qemu_thread_create(&card->event_thread_id, "ccid/event", event_thread,
card, QEMU_THREAD_JOINABLE);
qemu_thread_create(&card->apdu_thread_id, "ccid/apdu", handle_apdu_thread,
card, QEMU_THREAD_JOINABLE);
out2:
clean_event_notifier(card);
out1:
qemu_cond_destroy(&card->handle_apdu_cond);
qemu_mutex_destroy(&card->handle_apdu_mutex);
qemu_mutex_destroy(&card->vreader_mutex);
qemu_mutex_destroy(&card->event_list_mutex);
}
static void emulated_unrealize(CCIDCardState *base, Error **errp)