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-rw-r--r--arch/arm/xen/p2m.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/arm/xen/p2m.c b/arch/arm/xen/p2m.c
index d3f632c88890..da2a7044a124 100644
--- a/arch/arm/xen/p2m.c
+++ b/arch/arm/xen/p2m.c
@@ -70,8 +70,9 @@ unsigned long __pfn_to_mfn(unsigned long pfn)
entry = rb_entry(n, struct xen_p2m_entry, rbnode_phys);
if (entry->pfn <= pfn &&
entry->pfn + entry->nr_pages > pfn) {
+ unsigned long mfn = entry->mfn + (pfn - entry->pfn);
read_unlock_irqrestore(&p2m_lock, irqflags);
- return entry->mfn + (pfn - entry->pfn);
+ return mfn;
}
if (pfn < entry->pfn)
n = n->rb_left;