From: Jiri Slaby <jslaby@suse.cz>
Date: Thu, 15 Nov 2012 08:49:49 +0000 (+0100)
Subject: TTY: pty, fix tty buffers leak
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~83^2~62
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=81c79838ca24f48e0e4bb96502d131d6af758ae0;p=pandora-kernel.git

TTY: pty, fix tty buffers leak

After commit "TTY: move tty buffers to tty_port", the tty buffers are
not freed in some drivers. This is because tty_port_destructor is not
called whenever a tty_port is freed. This was an assumption I counted
with but was unfortunately untrue. So fix the drivers to fulfil this
assumption.

PTY is one of those, here we just need to use tty_port_put instead of
kfree. (Assuming tty_port_destructor does not need port->ops to be set
which we change here too.)

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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