staging: comedi: serial2002: factor (*poll) busy wait out of tty_read()
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Fri, 5 Apr 2013 23:08:13 +0000 (16:08 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 8 Apr 2013 17:27:43 +0000 (10:27 -0700)
Factor the (*poll) busy wait code out of tty_read() so the indent
level can be reduced and tty_read() is a bit cleaner.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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