From: Johan Hovold <jhovold@gmail.com>
Date: Tue, 10 Sep 2013 10:50:50 +0000 (+0200)
Subject: serial: pch_uart: fix tty-kref leak in dma-rx path
X-Git-Tag: v3.12-rc3~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19b85cfb190eb9980eaf416bff96aef4159a430e;p=pandora-kernel.git

serial: pch_uart: fix tty-kref leak in dma-rx path

Fix tty_kref leak when tty_buffer_request room fails in dma-rx path.

Note that the tty ref isn't really needed anymore, but as the leak has
always been there, fixing it before removing should makes it easier to
backport the fix.

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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