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hw: ccid-card-emulated: introduce clean_event_notifier 

Call it in device unrealize function.

Signed-off-by: Li Qiang <liq3ea@gmail.com>
Message-id: 1539946236-18028-2-git-send-email-liq3ea@gmail.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Li Qiang 2018-10-19 03:50:35 -07:00 committed by Gerd Hoffmann
parent b9a3a4f206
commit ca1d410285
1 changed files with 7 additions and 0 deletions
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7
hw/usb/ccid-card-emulated.c
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@ -409,6 +409,12 @@ static int init_event_notifier(EmulatedState *card, Error **errp)
return 0;
}
static void clean_event_notifier(EmulatedState *card)
{
event_notifier_set_handler(&card->notifier, NULL);
event_notifier_cleanup(&card->notifier);
}
#define CERTIFICATES_DEFAULT_DB "/etc/pki/nssdb"
#define CERTIFICATES_ARGS_TEMPLATE\
"db=\"%s\" use_hw=no soft=(,Virtual Reader,CAC,,%s,%s,%s)"
@ -556,6 +562,7 @@ static void emulated_unrealize(CCIDCardState *base, Error **errp)
qemu_cond_signal(&card->handle_apdu_cond);
qemu_thread_join(&card->apdu_thread_id);
clean_event_notifier(card);
/* threads exited, can destroy all condvars/mutexes */
qemu_cond_destroy(&card->handle_apdu_cond);
qemu_mutex_destroy(&card->handle_apdu_mutex);