From: Jiri Slaby <jirislaby@gmail.com>
Date: Mon, 29 Jun 2009 16:05:10 +0000 (+0200)
Subject: KVM: fix lock imbalance
X-Git-Tag: upstream/snapshot3+hdmi~17661^2~107
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=27c4ba60171d9ce29d3645619837760d758ed288;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

KVM: fix lock imbalance

There is a missing unlock on one fail path in ioapic_mmio_write,
fix that.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index ddf6aa9..8a9c6cc 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -292,7 +292,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
 		data = *(u32 *) val;
 	else {
 		printk(KERN_WARNING "ioapic: Unsupported size %d\n", len);
-		return 0;
+		goto unlock;
 	}
 
 	addr &= 0xff;
@@ -313,6 +313,7 @@ static int ioapic_mmio_write(struct kvm_io_device *this, gpa_t addr, int len,
 	default:
 		break;
 	}
+unlock:
 	mutex_unlock(&ioapic->kvm->irq_lock);
 	return 0;
 }