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, 3 insertions, 3 deletions

diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index fbeaaf416610..fa1015de5cc0 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -226,10 +226,10 @@ static void __init setup_node_data(int nid, u64 start, u64 end)
         } else {
                 nd_pa = memblock_x86_find_in_range_node(nid, nd_low, nd_high,
                                                 nd_size, SMP_CACHE_BYTES);
-                if (nd_pa == MEMBLOCK_ERROR)
+                if (!nd_pa)
                         nd_pa = memblock_find_in_range(nd_low, nd_high,
                                                 nd_size, SMP_CACHE_BYTES);
-                if (nd_pa == MEMBLOCK_ERROR) {
+                if (!nd_pa) {
                         pr_err("Cannot find %zu bytes in node %d\n",
                                nd_size, nid);
                         return;
@@ -395,7 +395,7 @@ static int __init numa_alloc_distance(void)
 
         phys = memblock_find_in_range(0, PFN_PHYS(max_pfn_mapped),
                                       size, PAGE_SIZE);
-        if (phys == MEMBLOCK_ERROR) {
+        if (!phys) {
                 pr_warning("NUMA: Warning: can't allocate distance table!\n");
                 /* don't retry until explicitly reset */
                 numa_distance = (void *)1LU;