linux-kernel - [PATCH] acpi:correctly check failed allocation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 15 Oct 2015 12:19:30 -0400
From:	Insu Yun <wuninsu@...il.com>
To:	rjw@...ysocki.net, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	taesoo@...ech.edu, yeongjin.jang@...ech.edu, insu@...ech.edu,
	Insu Yun <wuninsu@...il.com>
Subject: [PATCH] acpi:correctly check failed allocation

Since kobject_create_and_add can be failed in memory pressure,
return value need to be checked and return ENOMEM.

Signed-off-by: Insu Yun <wuninsu@...il.com>
---
 drivers/acpi/sysfs.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 40a4265..e712a7b 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -878,6 +878,8 @@ int __init acpi_sysfs_init(void)
 		return result;
 
 	hotplug_kobj = kobject_create_and_add("hotplug", acpi_kobj);
+  if (!hotplug_kobj)
+    return -ENOMEM;
 	result = sysfs_create_file(hotplug_kobj, &force_remove_attr.attr);
 	if (result)
 		return result;
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/