xen: implement updated XENMEM_add_to_physmap_range ABI

[karo-tx-linux.git] / arch / arm / xen / enlighten.c

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 7a32976fa2a3644af886006478aa791cf1f3779f..8dc0605a9ce9e2d3b5df910fafd6eadb008bfb21 100644 (file)
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -59,14 +59,16 @@ static int map_foreign_page(unsigned long lpfn, unsigned long fgmfn,
        };
        xen_ulong_t idx = fgmfn;
        xen_pfn_t gpfn = lpfn;
+       int err = 0;
 
        set_xen_guest_handle(xatp.idxs, &idx);
        set_xen_guest_handle(xatp.gpfns, &gpfn);
+       set_xen_guest_handle(xatp.errs, &err);
 
        rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap_range, &xatp);
-       if (rc) {
-               pr_warn("Failed to map pfn to mfn rc:%d pfn:%lx mfn:%lx\n",
-                       rc, lpfn, fgmfn);
+       if (rc || err) {
+               pr_warn("Failed to map pfn to mfn rc:%d:%d pfn:%lx mfn:%lx\n",
+                       rc, err, lpfn, fgmfn);
                return 1;
        }
        return 0;