From: Peter Hurley <peter@hurleysoftware.com>
Date: Fri, 16 Jan 2015 20:22:14 +0000 (-0500)
Subject: pty: Fix overlimit memory use
X-Git-Tag: fixes-v4.0-rc1~98^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c81622ac4282b0183e738e192c91fabe4a782715;p=pandora-kernel.git

pty: Fix overlimit memory use

The pty_space() computation is broken; the space already consumed
in the tty buffer is not accounted for.

Use tty_buffer_set_limit(), which enforces the limit automatically.

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