[PATCH] kvm: fix coalesced_mmio leak on shutdown
From: Gregory Haskins
Date: Wed May 27 2009 - 12:41:31 EST
It would appear that we are invoking kfree() on the wrong pointer in the
destructor for the coalesced_mmio device. This would result in a potential
leak during shutdown.
Signed-off-by: Gregory Haskins <ghaskins@xxxxxxxxxx>
---
virt/kvm/coalesced_mmio.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 5ae620d..03ea280 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -80,7 +80,10 @@ static void coalesced_mmio_write(struct kvm_io_device *this,
static void coalesced_mmio_destructor(struct kvm_io_device *this)
{
- kfree(this);
+ struct kvm_coalesced_mmio_dev *dev =
+ (struct kvm_coalesced_mmio_dev *)this->private;
+
+ kfree(dev);
}
int kvm_coalesced_mmio_init(struct kvm *kvm)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/