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/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index 3d2661ca6542..56363082bbdf 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -88,7 +88,7 @@ static u32 __init allocate_aperture(void)
          */
         addr = memblock_find_in_range(GART_MIN_ADDR, GART_MAX_ADDR,
                                       aper_size, aper_size);
-        if (addr == MEMBLOCK_ERROR || addr + aper_size > GART_MAX_ADDR) {
+        if (!addr || addr + aper_size > GART_MAX_ADDR) {
                 printk(KERN_ERR
                         "Cannot allocate aperture memory hole (%lx,%uK)\n",
                                 addr, aper_size>>10);