From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 28 Nov 2012 06:49:47 +0000 (+0000)
Subject: dma: sh: Don't use ENODEV for failing slave lookup
X-Git-Tag: v3.9-rc1~80^2~63
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c1119bdd650fa58dad8157bc75c5fcf6ed97843;p=pandora-kernel.git

dma: sh: Don't use ENODEV for failing slave lookup

If dmaengine driver's .device_alloc_chan_resources() method returns -ENODEV,
dma_request_channel() will decide, that the driver has been removed and will
remove the device from its list. To prevent this use ENXIO if a slave lookup
fails.

Reported-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
---

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