From: Axel Lin <axel.lin@ingics.com>
Date: Sun, 9 Mar 2014 06:11:10 +0000 (+0800)
Subject: spi: coldfire-qspi: Prevent NULL pointer dereference
X-Git-Tag: v3.15-rc1~147^2~6^5~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2271cf124a2763b7252887814a7fc8a844767e8f;p=pandora-kernel.git

spi: coldfire-qspi: Prevent NULL pointer dereference

If pdata->cs_control is NULL, we will hit NULL pointer dereference in
mcfqspi_cs_select() and mcfqspi_cs_deselect(). Thus add NULL test for
pdata->cs_control in probe().

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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