From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 18 Mar 2014 11:58:33 +0000 (+0100)
Subject: regmap: Fix possible sleep-in-atomic in regmap_bulk_write()
X-Git-Tag: v3.15-rc1~149^2^4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4999e9621a58fa03fe18aa2ea55838bd2e755190;p=pandora-kernel.git

regmap: Fix possible sleep-in-atomic in regmap_bulk_write()

regmap deploys the spinlock for the protection when set up in fast_io
mode.  This may lead to sleep-in-atomic by memory allocation with
GFP_KERNEL in regmap_bulk_write().  This patch fixes it by moving the
allocation out of the lock.

[Fix excessively large locked region -- broonie]

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
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