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commit734ac57e47upstream. The smsdvb_module_init() returns without checking the retval from smscore_register_hotplug(). If the smscore_register_hotplug() failed, the module failed to install, leaving the smsdvb_debugfs not unregistered. Fixes:3f6b87cff6("[media] siano: allow showing the complete statistics via debugfs") Cc: stable@vger.kernel.org Signed-off-by: Yuan Can <yuancan@huawei.com> Acked-by: Ricardo Ribalda <ribalda@chromium.org> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>