From: Tao Cui <cuitao@kylinos.cn>
Date: Thu, 18 Sep 2025 11:44:04 +0000 (+0800)
Subject: LoongArch: Check the return value when creating kobj
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=51adb03e6b865c0c6790f29659ff52d56742de2e;p=users%2Fhch%2Fmisc.git

LoongArch: Check the return value when creating kobj

Add a check for the return value of kobject_create_and_add(), to ensure
that the kobj allocation succeeds for later use.

Cc: stable@vger.kernel.org
Signed-off-by: Tao Cui <cuitao@kylinos.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---

diff --git a/arch/loongarch/kernel/env.c b/arch/loongarch/kernel/env.c
index c0a5dc9aeae2..be309a71f204 100644
--- a/arch/loongarch/kernel/env.c
+++ b/arch/loongarch/kernel/env.c
@@ -109,6 +109,8 @@ static int __init boardinfo_init(void)
 	struct kobject *loongson_kobj;
 
 	loongson_kobj = kobject_create_and_add("loongson", firmware_kobj);
+	if (!loongson_kobj)
+		return -ENOMEM;
 
 	return sysfs_create_file(loongson_kobj, &boardinfo_attr.attr);
 }