From: Axel Lin <axel.lin@ingics.com>
Date: Wed, 2 Apr 2014 14:21:04 +0000 (+0800)
Subject: spi: Always check complete callback before calling it
X-Git-Tag: v3.15-rc1~25^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a6d38795a405c49ea0012f04173613382def58c;p=pandora-kernel.git

spi: Always check complete callback before calling it

Since commit 1e25cd4729bd "spi: Do not require a completion", this checking is
required to prevent NULL pointer dereference.

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