From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Thu, 29 Aug 2013 18:31:06 +0000 (+0200)
Subject: s390/cio: fix unlocked access of global bitmap
X-Git-Tag: v3.12-rc1~187^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb072a7996467937a1582d0188ed082768902a5a;p=pandora-kernel.git

s390/cio: fix unlocked access of global bitmap

Access to the slow_subchannel_set has to be secured via the
slow_subchannel_lock.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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