From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Tue, 17 Sep 2013 13:56:08 +0000 (+0200)
Subject: dmaengine: imx-dma: fix callback path in tasklet
X-Git-Tag: v3.12-rc4~3^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fcaaba6c7136fe47e5a13352f99a64b019b6d2c5;p=pandora-kernel.git

dmaengine: imx-dma: fix callback path in tasklet

We need to free the ld_active list head before jumping into the callback
routine. Otherwise the callback could run into issue_pending and change
our ld_active list head we just going to free. This will run the channel
list into an currupted and undefined state.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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