[Qemu-devel] [PATCH v13 for-4.1 06/11] qemu_thread: supplement error handling for emulated_realize

[Fei Li]

From: Fei Li <f...@suse.com>

Utilize the existed errp to propagate the error and do the
corresponding cleanup to replace the temporary &error_abort.

Cc: Markus Armbruster <arm...@redhat.com>
Cc: Gerd Hoffmann <kra...@redhat.com>
Cc: Christophe Fergeau <cferg...@redhat.com>
Cc: Marc-André Lureau <marcandre.lur...@redhat.com>
Signed-off-by: Fei Li <f...@suse.com>
---
 hw/usb/ccid-card-emulated.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index 0b170f6328..5ffc97dcfe 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -544,11 +544,18 @@ static void emulated_realize(CCIDCardState *base, Error 
**errp)
         error_setg(errp, "%s: failed to initialize vcard", TYPE_EMULATED_CCID);
         goto out2;
     }
-    /* TODO: let the further caller handle the error instead of abort() here */
-    qemu_thread_create(&card->event_thread_id, "ccid/event", event_thread,
-                       card, QEMU_THREAD_JOINABLE, &error_abort);
-    qemu_thread_create(&card->apdu_thread_id, "ccid/apdu", handle_apdu_thread,
-                       card, QEMU_THREAD_JOINABLE, &error_abort);
+    if (qemu_thread_create(&card->event_thread_id, "ccid/event", event_thread,
+                           card, QEMU_THREAD_JOINABLE, errp) < 0) {
+        goto out2;
+    }
+    if (qemu_thread_create(&card->apdu_thread_id, "ccid/apdu",
+                           handle_apdu_thread, card,
+                           QEMU_THREAD_JOINABLE, errp) < 0) {
+        VEvent *vevent = vevent_new(VEVENT_LAST, NULL, NULL);
+        vevent_queue_vevent(vevent); /* stop vevent thread */
+        qemu_thread_join(&card->event_thread_id);
+        goto out2;
+    }
 
     return;
 
-- 
2.11.0