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qapi: Drop qapi_event_send_FOO()'s Error ** argument

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The generated qapi_event_send_FOO() take an Error ** argument.  They
can't actually fail, because all they do with the argument is passing it
to functions that can't fail: the QObject output visitor, and the
@qmp_emit callback, which is either monitor_qapi_event_queue() or
event_test_emit().

Drop the argument, and pass &error_abort to the QObject output visitor
and @qmp_emit instead.

Suggested-by: Eric Blake <eblake@redhat.com>
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20180815133747.25032-4-peterx@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Commit message rewritten, update to qapi-code-gen.txt corrected]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Peter Xu 2018-08-15 21:37:37 +08:00 • committed by Markus Armbruster
parent bdd2d42b89
commit 3ab72385b2
29 changed files with 70 additions and 104 deletions
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4
migration/migration.c
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@ -204,7 +204,7 @@ void migration_incoming_state_destroy(void)
static void migrate_generate_event(int new_state)
{
if (migrate_use_events()) {
qapi_event_send_migration(new_state, &error_abort);
qapi_event_send_migration(new_state);
}
}
@ -302,7 +302,7 @@ void qemu_start_incoming_migration(const char *uri, Error **errp)
{
const char *p;
qapi_event_send_migration(MIGRATION_STATUS_SETUP, &error_abort);
qapi_event_send_migration(MIGRATION_STATUS_SETUP);
if (!strcmp(uri, "defer")) {
deferred_incoming_migration(errp);
} else if (strstart(uri, "tcp:", &p)) {