Hi,

is there any particular reason why usb_string() tries to ask for the
length of the string first before actually getting the string? tbuf has a
fixed length of 256 anyways, so this just looks like an unnessessary step
to me.

I have one particular USB device which fails miserably with EOVERFLOW in
the first query (with len=2) for a particular string. When removing the
extra step and always running the query with len=256, the device works
fine (yet another QUIRK, it seems).

--jochen



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