Signed-off-by: Bobo Du <dubo163@xxxxxxx>
---
cputree.c | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/cputree.c b/cputree.c
index 91c6111..67acc93 100644
--- a/cputree.c
+++ b/cputree.c
@@ -380,21 +380,23 @@ static void do_one_cpu(char *path)
struct topo_obj *node;
dir = opendir(path);
- do {
- entry = readdir(dir);
- if (!entry)
- break;
- if (strncmp(entry->d_name, "node", 4) == 0) {
- char *end;
- int num;
- num = strtol(entry->d_name + 4, &end, 10);
- if (!*end && num >= 0) {
- nodeid = num;
+ if (dir) {
+ do {
+ entry = readdir(dir);
+ if (!entry)
break;
+ if (strncmp(entry->d_name, "node", 4) == 0) {
+ char *end;
+ int num;
+ num = strtol(entry->d_name + 4, &end, 10);
+ if (!*end && num >= 0) {
+ nodeid = num;
+ break;
+ }
}
- }
- } while (entry);
- closedir(dir);
+ } while (entry);
+ closedir(dir);
+ }
/*
* In case of multiple NUMA nodes within a CPU package,
--
2.14.1
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