Re: [patch] sysfs: Fix build when sysfs is disabled

Greg Kroah-Hartman
2013-01-25T20:42:41Z

On Fri, Jan 25, 2013 at 12:13:59PM -0800, David Rientjes wrote:
> "sysfs: Functions for adding/removing symlinks to/from attribute groups"
> causes a build failure when CONFIG_SYSFS is disabled:
>
> drivers/acpi/power.c: In function 'acpi_power_hide_list':
> drivers/acpi/power.c:463: error: implicit declaration of function 'sysfs_remove_link_from_group'
> drivers/acpi/power.c: In function 'acpi_power_expose_list':
> drivers/acpi/power.c:486: error: implicit declaration of function 'sysfs_add_link_to_group'
>
> We need to define empty functions for this config to avoid ifdefs in the
> code.
>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---
> include/linux/sysfs.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Rafael has to take this through his tree.