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metag: off by one in setup_bootmem_node()
author
Dan Carpenter
<dan.carpenter@oracle.com>
Fri, 8 Nov 2013 09:45:33 +0000
(12:45 +0300)
committer
James Hogan
<james.hogan@imgtec.com>
Fri, 8 Nov 2013 11:23:00 +0000
(11:23 +0000)
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>
arch/metag/mm/numa.c
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diff --git
a/arch/metag/mm/numa.c
b/arch/metag/mm/numa.c
index
9ae578c
..
b172aa4
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;