USB: ftdi_sio: use generic chars_in_buffer
authorJohan Hovold <jhovold@gmail.com>
Mon, 29 Oct 2012 09:56:26 +0000 (10:56 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 30 Oct 2012 20:19:32 +0000 (13:19 -0700)
Use generic chars_in_buffer rather than copying it's implementation.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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