From 47f0f26d415b8a1fb2e1d04a39f27b1e4843e7b6 Mon Sep 17 00:00:00 2001
From: hejingxian 00273181 <hejingxian@huawei.com>
Date: Fri, 9 Apr 2021 13:32:08 +0800
Subject: [PATCH] Add return value check of opendir in do_one_cpu

---
 cputree.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/cputree.c b/cputree.c
index a8dba73..e4695f2 100644
--- a/cputree.c
+++ b/cputree.c
@@ -366,7 +366,7 @@ static void do_one_cpu(char *path)
 		struct topo_obj *node;
 
 		dir = opendir(path);
-		do {
+		while (dir) {
 			entry = readdir(dir);
 			if (!entry)
 				break;
@@ -379,8 +379,9 @@ static void do_one_cpu(char *path)
 					break;
 				}
 			}
-		} while (entry);
-		closedir(dir);
+		}
+		if (dir)
+			closedir(dir);
 
 		/*
 		 * In case of multiple NUMA nodes within a CPU package,