-static char **split_devs(const char *_dev_name, unsigned *nr)
-{
- char *dev_name = NULL, **devs = NULL, *s;
- size_t i = 0, nr_devs = 0;
-
- dev_name = kstrdup(_dev_name, GFP_KERNEL);
- if (!dev_name)
- return NULL;
-
- for (s = dev_name; s; s = strchr(s + 1, ':'))
- nr_devs++;
-
- devs = kcalloc(nr_devs + 1, sizeof(const char *), GFP_KERNEL);
- if (!devs) {
- kfree(dev_name);
- return NULL;
- }
-
- while ((s = strsep(&dev_name, ":")))
- devs[i++] = s;
-
- *nr = nr_devs;
- return devs;
-}
-