USB: serial: io_edgeport: fix descriptor error handling
Make sure to detect short control-message transfers and log an error when reading incomplete manufacturer and boot descriptors. Note that the default all-zero descriptors will now be used after a short transfer is detected instead of partially initialised ones. Fixes: 1da177e4 ("Linux-2.6.12-rc2") Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
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