Oliver Neukum 7f1dc313d0 USB: CDC WDM driver doesn't support non-blocking reads ...

support for O_NONBLOCK in read and write path
by simply not waiting for data in read or availability
of the write urb in write but returning -EAGAIN

Signed-off-by: Oliver Neukum <oliver@neukum.org>
Tested-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2009-09-23 06:46:16 -07:00

20 KiB

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