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authorDan Carpenter <dan.carpenter@oracle.com>2013-11-08 12:45:33 +0300
committerJames Hogan <james.hogan@imgtec.com>2013-11-08 11:23:00 +0000
commit51387306b5c2b0c9eb1e2556de1b37267bb2b583 (patch)
tree45e2ae361cd4b2006a8110351e9ce54f40a2cd20 /arch
parent95281171a713f4d32f1a044b937563ec7776ccfe (diff)
downloadlinux-51387306b5c2b0c9eb1e2556de1b37267bb2b583.tar.bz2
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/metag/mm/numa.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c
index 9ae578c9b620..b172aa45fcf8 100644
--- 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;