i40e: refactor flow director

[karo-tx-linux.git] / drivers / xen / privcmd.c

diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 8e74590fa1bb5d9149e17550c3f4ec7b74142983..569a13b9e856de5c3900050d583844f401243e96 100644 (file)
--- 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);
 }