irqbalance/backport-Add-return-value-check-of-opendir-in-do_one_cpu.patch
qinyu 3d6bfed55b irqbalance: Add return value check of opendir in do_one_cpu
Add return value check of opendir in do_one_cpu

Signed-off-by: qinyu <qinyu32@huawei.com>
2023-01-05 20:24:08 +08:00

40 lines
929 B
Diff

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
Reference:https://github.com/Irqbalance/irqbalance/commit/47f0f26d415b8a1fb2e1d04a39f27b1e4843e7b6
Conflict:NA
---
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,
--
2.23.0