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 eaac187eb089ac461b56ae4487b1eb94afc6efae..2861ae9eaae6e2f841af45bc928cec309303d66c 100644 (file)
--- 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;
 }