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-rw-r--r--arch/powerpc/kernel/prom.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d50c8df0183e..535a33e4aa37 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -491,7 +491,12 @@ void __init finish_device_tree(void)
491 size = 16; 491 size = 16;
492 finish_node(allnodes, &size, 1); 492 finish_node(allnodes, &size, 1);
493 size -= 16; 493 size -= 16;
494 end = start = (unsigned long) __va(lmb_alloc(size, 128)); 494
495 if (0 == size)
496 end = start = 0;
497 else
498 end = start = (unsigned long)__va(lmb_alloc(size, 128));
499
495 finish_node(allnodes, &end, 0); 500 finish_node(allnodes, &end, 0);
496 BUG_ON(end != start + size); 501 BUG_ON(end != start + size);
497 502