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The description for "qlen" is missing, and there is a description for this parameter in "Documentation/usb/gadget_printer.rst" Signed-off-by: Wei Ming Chen <jj251510319013@gmail.com> Link: https://lore.kernel.org/r/20210821142647.2904-1-jj251510319013@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>