Re: [PATCH] acpi:correctly check failed allocation

From: Rafael J. Wysocki
Date: Tue Oct 27 2015 - 22:46:49 EST


On Thursday, October 15, 2015 12:19:30 PM Insu Yun wrote:
> 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@xxxxxxxxx>
> ---
> 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;
>

Applied (with whitespace fixed), thanks!

Rafael

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