USB: usbtmc: repeat usb_bulk_msg until whole message is transfered
usb_bulk_msg() transfers only bytes up to the maximum packet size. It must be repeated by the usbtmc driver until all bytes of a TMC message are transfered. Without this patch, ETIMEDOUT is reported when writing TMC messages larger than the maximum USB bulk size and the transfer remains incomplete. The user will notice that the device hangs and must be reset by either closing the application or pulling the plug. Signed-off-by:Andre Herms <andre.herms@tec-venture.de> Cc: stable <stable@kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
parent
7723de7e
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