n_tty: Simplify throttle threshold calculation
authorPeter Hurley <peter@hurleysoftware.com>
Fri, 16 Jan 2015 20:05:36 +0000 (15:05 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 2 Feb 2015 18:11:26 +0000 (10:11 -0800)
commit5e28cca1539f3532cb2392710655cd3e562cee8b
treed37777b70cbdb5483cc413b84d52d43a92eef7a7
parenta342846f9b0448996f56ebece80454d41b431ce2
n_tty: Simplify throttle threshold calculation

The adjustments performed by receive_room() are to ensure a line
termination can always be written to the read buffer. However,
these adjustments are irrelevant to the throttle threshold (because
the threshold < buffer limit).

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/n_tty.c