From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Wed, 1 May 2013 19:17:31 +0000 (+0000)
Subject: kvm/ppc/mpic: fix missing unlock in set_base_addr()
X-Git-Tag: v3.10-rc1~87^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d133b40f2cdd527af01090ffd6a041485d1a29b4;p=platform%2Fkernel%2Flinux-stable.git

kvm/ppc/mpic: fix missing unlock in set_base_addr()

Add the missing unlock before return from function set_base_addr()
when disables the mapping.

Introduced by commit 5df554ad5b7522ea62b0ff9d5be35183494efc21
(kvm/ppc/mpic: in-kernel MPIC emulation)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
index eaac187..2861ae9 100644
--- a/arch/powerpc/kvm/mpic.c
+++ b/arch/powerpc/kvm/mpic.c
@@ -1486,8 +1486,8 @@ static int set_base_addr(struct openpic *opp, struct kvm_device_attr *attr)
 
 	map_mmio(opp);
 
-	mutex_unlock(&opp->kvm->slots_lock);
 out:
+	mutex_unlock(&opp->kvm->slots_lock);
 	return 0;
 }