From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Mon, 4 Dec 2006 14:40:20 +0000 (+0100)
Subject: [S390] extmem unbalanced spin_lock.
X-Git-Tag: v2.6.20-rc1~34^2~40^2~15^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b4044bdd158aa9ad07b3f68d1c7598036d3ee58;p=pandora-kernel.git

[S390] extmem unbalanced spin_lock.

segment save will exit with a lock held if the passed segment doesn't
exist. Any subsequent call to segment_save will lead to a deadlock.
Fix this and give up the lock before returning.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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