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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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8
block/block-backend.c
View file

@ -980,8 +980,7 @@ void blk_dev_change_media_cb(BlockBackend *blk, bool load, Error **errp)
if (tray_was_open != tray_is_open) {
char *id = blk_get_attached_dev_id(blk);
qapi_event_send_device_tray_moved(blk_name(blk), id, tray_is_open,
&error_abort);
qapi_event_send_device_tray_moved(blk_name(blk), id, tray_is_open);
g_free(id);
}
}
@ -1665,8 +1664,7 @@ static void send_qmp_error_event(BlockBackend *blk,
qapi_event_send_block_io_error(blk_name(blk), !!bs,
bs ? bdrv_get_node_name(bs) : NULL, optype,
action, blk_iostatus_is_enabled(blk),
error == ENOSPC, strerror(error),
&error_abort);
error == ENOSPC, strerror(error));
}
/* This is done by device models because, while the block layer knows
@ -1782,7 +1780,7 @@ void blk_eject(BlockBackend *blk, bool eject_flag)
* the frontend experienced a tray event. */
id = blk_get_attached_dev_id(blk);
qapi_event_send_device_tray_moved(blk_name(blk), id,
eject_flag, &error_abort);
eject_flag);
g_free(id);
}