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由 Max Reitz 提交于
This patch reworks some places which use either qobject_type() checks plus qobject_to(), where the latter alone is sufficient, or NULL checks plus qobject_type() checks where we can simply do a qobject_to() != NULL check. Signed-off-by: NMax Reitz <mreitz@redhat.com> Reviewed-by: NAlberto Garcia <berto@igalia.com> Message-Id: <20180224154033.29559-6-mreitz@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> [eblake: rebase to qobject_to() parameter ordering] Signed-off-by: NEric Blake <eblake@redhat.com>
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