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authorIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-13 11:44:41 +0100
commit1c62448e39285b23b4770aaf46d32368fff990df (patch)
treec6c6cf1a80a762a5859bfdaf3941294a47ea8eee /drivers/xen/privcmd.c
parent47933ad41a86a4a9b50bed7c9b9bd2ba242aac63 (diff)
parent7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 (diff)
Merge tag 'v3.13-rc8' into core/locking
Refresh the tree with the latest fixes, before applying new changes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/xen/privcmd.c')
-rw-r--r--drivers/xen/privcmd.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8e74590fa1b..569a13b9e85 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -533,12 +533,17 @@ static void privcmd_close(struct vm_area_struct *vma)
{
struct page **pages = vma->vm_private_data;
int numpgs = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
+ int rc;
if (!xen_feature(XENFEAT_auto_translated_physmap) || !numpgs || !pages)
return;
- xen_unmap_domain_mfn_range(vma, numpgs, pages);
- free_xenballooned_pages(numpgs, pages);
+ rc = xen_unmap_domain_mfn_range(vma, numpgs, pages);
+ if (rc == 0)
+ free_xenballooned_pages(numpgs, pages);
+ else
+ pr_crit("unable to unmap MFN range: leaking %d pages. rc=%d\n",
+ numpgs, rc);
kfree(pages);
}