memblock: Kill MEMBLOCK_ERROR

25818f0f28 (memblock: Make MEMBLOCK_ERROR be 0) thankfully made
MEMBLOCK_ERROR 0 and there already are codes which expect error return
to be 0.  There's no point in keeping MEMBLOCK_ERROR around.  End its
misery.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1310457490-3356-6-git-send-email-tj@kernel.org
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index b6da6ed818a..c7f0e5be4a3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -3878,13 +3878,13 @@ u64 __init find_memory_core_early(int nid, u64 size, u64 align,
 
                 addr = memblock_find_in_range(final_start, final_end, size, align);
 
-                if (addr == MEMBLOCK_ERROR)
+                if (!addr)
                         continue;
 
                 return addr;
         }
 
-        return MEMBLOCK_ERROR;
+        return 0;
 }
 #endif