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, 1 insertions, 1 deletions

diff --git a/kernel/printk.c b/kernel/printk.c
index 35185392173f..b1d5a6174d65 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -199,7 +199,7 @@ void __init setup_log_buf(int early)
                 unsigned long mem;
 
                 mem = memblock_alloc(new_log_buf_len, PAGE_SIZE);
-                if (mem == MEMBLOCK_ERROR)
+                if (!mem)
                         return;
                 new_log_buf = __va(mem);
         } else {