From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Date: Fri, 1 Aug 2014 16:51:46 +0000 (+0200)
Subject: dma: at_hdmac: fix invalid remaining bytes detection
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~88^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6758ddafad55fc8e665bb03ff103d3e410483fe9;p=pandora-kernel.git

dma: at_hdmac: fix invalid remaining bytes detection

Found using smatch:
drivers/dma/at_hdmac.c:299 atc_get_bytes_left() warn: unsigned
'atchan->remain_desc' is never less than zero.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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