From: David Fries <David@Fries.net>
Date: Thu, 16 Jan 2014 04:29:26 +0000 (-0600)
Subject: w1: hold bus_mutex in netlink and search
X-Git-Tag: v3.15-rc1~141^2~90
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d3a8a9dbb903c73a7ec2deae4c9b7d74b6834f4c;p=pandora-kernel.git

w1: hold bus_mutex in netlink and search

The bus_mutex needs to be taken to serialize access to a specific bus.
netlink wasn't updated when bus_mutex was added and was calling
without that lock held, and not all of the masters were holding the
bus_mutex in a search.  This was causing the ds2490 hardware to stop
responding when both netlink and /sys slaves were executing bus
commands at the same time.

Signed-off-by: David Fries <David@Fries.net>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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