Commit 51387306 authored by Dan Carpenter's avatar Dan Carpenter Committed by James Hogan
Browse files

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: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarJames Hogan <james.hogan@imgtec.com>
parent 95281171

arch/metag/mm/numa.c

+1 −1
Original line number Diff line number Diff line
@@ -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;