diff options
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/prom.c | 7 |
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 | ||