From 00a2aff2ba74c4e95a4d20ee79829f2bc5f920fd Mon Sep 17 00:00:00 2001
From: Sverker Eriksson <sverker@erlang.org>
Date: Fri, 9 Mar 2012 11:34:09 +0100
Subject: erts: Fix crash on Linux if /sys/devices/system/node is not readable

Fallback on using /sys/devices/system/cpu to get cpu topology,
as is already done when node directory doesn't exist.
---
 erts/lib_src/common/erl_misc_utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'erts/lib_src')

diff --git a/erts/lib_src/common/erl_misc_utils.c b/erts/lib_src/common/erl_misc_utils.c
index 5e94ff19db..4806311dfe 100644
--- a/erts/lib_src/common/erl_misc_utils.c
+++ b/erts/lib_src/common/erl_misc_utils.c
@@ -834,8 +834,8 @@ read_topology(erts_cpu_info_t *cpuinfo)
     ix = -1;
 
     if (realpath(ERTS_SYS_NODE_PATH, npath)) {
-	got_nodes = 1;
 	ndir = opendir(npath);
+	got_nodes = (ndir != NULL);
     }
 
     do {
-- 
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