#include "gigaset.h"
#include <linux/ctype.h>
-static ssize_t show_cidmode(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t show_cidmode(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
int ret;
unsigned long flags;
/* free sysfs for device */
void gigaset_free_dev_sysfs(struct cardstate *cs)
{
+ if (!cs->tty_dev)
+ return;
+
gig_dbg(DEBUG_INIT, "removing sysfs entries");
- device_remove_file(cs->dev, &dev_attr_cidmode);
+ device_remove_file(cs->tty_dev, &dev_attr_cidmode);
}
/* initialize sysfs for device */
void gigaset_init_dev_sysfs(struct cardstate *cs)
{
+ if (!cs->tty_dev)
+ return;
+
gig_dbg(DEBUG_INIT, "setting up sysfs");
- device_create_file(cs->dev, &dev_attr_cidmode);
+ if (device_create_file(cs->tty_dev, &dev_attr_cidmode))
+ dev_err(cs->dev, "could not create sysfs attribute\n");
}