From: Stephen Warren <swarren@nvidia.com>
Date: Wed, 4 Apr 2012 21:48:33 +0000 (-0600)
Subject: regmap: prevent division by zero in rbtree_show
X-Git-Tag: v3.4-rc2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c04c1b9ee8f30c7a3a25e20e406247003f634ebe;p=pandora-kernel.git

regmap: prevent division by zero in rbtree_show

If there are no nodes in the cache, nodes will be 0, so calculating
"registers / nodes" will cause division by zero.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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