#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
+#include <linux/slab.h>
#include <linux/err.h>
#include <linux/mutex.h>
#include <linux/suspend.h>
goto overflow_err;
regulator->dev = dev;
+ sysfs_attr_init(®ulator->dev_attr.attr);
regulator->dev_attr.attr.name = kstrdup(buf, GFP_KERNEL);
if (regulator->dev_attr.attr.name == NULL)
goto attr_name_err;