diff options
Diffstat (limited to 'kernel/drivers/xen')
| -rw-r--r-- | kernel/drivers/xen/gntdev.c | 2 | ||||
| -rw-r--r-- | kernel/drivers/xen/xenbus/xenbus_client.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/kernel/drivers/xen/gntdev.c b/kernel/drivers/xen/gntdev.c index 892748507..4bd23bba8 100644 --- a/kernel/drivers/xen/gntdev.c +++ b/kernel/drivers/xen/gntdev.c @@ -568,12 +568,14 @@ static int gntdev_release(struct inode *inode, struct file *flip) pr_debug("priv %p\n", priv); + mutex_lock(&priv->lock); while (!list_empty(&priv->maps)) { map = list_entry(priv->maps.next, struct grant_map, next); list_del(&map->next); gntdev_put_map(NULL /* already removed */, map); } WARN_ON(!list_empty(&priv->freeable_maps)); + mutex_unlock(&priv->lock); if (use_ptemod) mmu_notifier_unregister(&priv->mn, priv->mm); diff --git a/kernel/drivers/xen/xenbus/xenbus_client.c b/kernel/drivers/xen/xenbus/xenbus_client.c index 96b2011d2..658be6cc3 100644 --- a/kernel/drivers/xen/xenbus/xenbus_client.c +++ b/kernel/drivers/xen/xenbus/xenbus_client.c @@ -814,8 +814,10 @@ static int xenbus_unmap_ring_vfree_hvm(struct xenbus_device *dev, void *vaddr) rv = xenbus_unmap_ring(dev, node->handles, node->nr_handles, addrs); - if (!rv) + if (!rv) { vunmap(vaddr); + free_xenballooned_pages(node->nr_handles, node->hvm.pages); + } else WARN(1, "Leaking %p, size %u page(s)\n", vaddr, node->nr_handles); |