metag: off by one in setup_bootmem_node()

If "nid == MAX_NUMNODES" then we write beyond the end of the node_data[]
array.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>

diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c
index 9ae578c9b620b57182c090bd32db18dd3d69f3ff..b172aa45fcf8201934880a0ac41cf8461ca4a435 100644 (file)
--- a/arch/metag/mm/numa.c
+++ b/arch/metag/mm/numa.c
@@ -34,7 +34,7 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
        unsigned long pgdat_paddr;
 
        /* Don't allow bogus node assignment */
-       BUG_ON(nid > MAX_NUMNODES || nid <= 0);
+       BUG_ON(nid >= MAX_NUMNODES || nid <= 0);
 
        start_pfn = start >> PAGE_SHIFT;
        end_pfn = end >> PAGE_SHIFT;