From: Hans de Goede <hdegoede@redhat.com>
Date: Sat, 21 Mar 2015 16:26:24 +0000 (+0100)
Subject: extcon: Fix missing locking when [un]registering notifiers
X-Git-Tag: omap-for-v4.2/o2_dc~63^2~32^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66bee35f29683fc4a9a530a1c56a0ec45e3f7d72;p=pandora-kernel.git

extcon: Fix missing locking when [un]registering notifiers

Since extcon.c is using raw_notifiers it must protect the notifier
list itself when [un]registering notifiers to avoid the list changing while
extcon_update_state is walking the list (through raw_notifier_call_chain).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
[cw00.choi: Apply this patch to extcon.c driver instead of old extcon-class.c]
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
---

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