From: Peng Fan <van.freenix@gmail.com>
Date: Mon, 22 Jun 2015 03:41:23 +0000 (+0800)
Subject: mmc: sdhci check parameters before call dma_free_coherent
X-Git-Tag: omap-for-v4.3/fixes-merge-window~194^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7ac020366b0a436d726408841160b5dc32c19214;p=pandora-kernel.git

mmc: sdhci check parameters before call dma_free_coherent

We should not call dma_free_coherent if host->adma_table is NULL,
otherwise may trigger panic.

Fixes: d1e49f77d7c7 ("mmc: sdhci: convert ADMA descriptors to a...")
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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