x86: OLPC: have prom_early_alloc BUG rather than return NULL

..similar to what sparc's prom_early_alloc does.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c
index dab8746..044bda5 100644 (file)
--- a/arch/x86/platform/olpc/olpc_dt.c
+++ b/arch/x86/platform/olpc/olpc_dt.c
@@ -140,8 +140,7 @@ void * __init prom_early_alloc(unsigned long size)
                 * wasted bootmem) and hand off chunks of it to callers.
                 */
                res = alloc_bootmem(chunk_size);
-               if (!res)
-                       return NULL;
+               BUG_ON(!res);
                prom_early_allocated += chunk_size;
                memset(res, 0, chunk_size);
                free_mem = chunk_size;