From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Date: Mon, 28 Apr 2014 12:59:56 +0000 (+0300)
Subject: serial: 8250_dma: check the result of TX buffer mapping
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~35^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4089a332883ad969700aac5dd4dd5f1c4fee825;p=pandora-kernel.git

serial: 8250_dma: check the result of TX buffer mapping

Using dma_mapping_error() to make sure the mapping did not
fail.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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