From: Alan Cox <alan@linux.intel.com>
Date: Mon, 17 Sep 2012 11:03:39 +0000 (+0100)
Subject: tty: Fix hvc return
X-Git-Tag: omap-for-v3.7-rc1/fixes-cpufreq-signed~74^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d83114e9754cf5deb3424217ff2f10cace1428e3;p=pandora-kernel.git

tty: Fix hvc return

HVC returns a size of -1 bytes for the write room in some cases.
This is bogus and not handled by the tty layer at all.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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