-/*
- * Various dodgy firmware might give us nodes and/or properties with
- * conflicting names. That's generally ok, except for exporting via /proc,
- * so munge names here to ensure they're unique.
- */
-
-static int duplicate_name(struct proc_dir_entry *de, const char *name)
-{
- struct proc_dir_entry *ent;
- int found = 0;
-
- spin_lock(&proc_subdir_lock);
-
- for (ent = de->subdir; ent != NULL; ent = ent->next) {
- if (strcmp(ent->name, name) == 0) {
- found = 1;
- break;
- }
- }
-
- spin_unlock(&proc_subdir_lock);
-
- return found;
-}
-
-static const char *fixup_name(struct device_node *np, struct proc_dir_entry *de,
- const char *name)
-{
- char *fixed_name;
- int fixup_len = strlen(name) + 2 + 1; /* name + #x + \0 */
- int i = 1, size;
-
-realloc:
- fixed_name = kmalloc(fixup_len, GFP_KERNEL);
- if (fixed_name == NULL) {
- printk(KERN_ERR "device-tree: Out of memory trying to fixup "
- "name \"%s\"\n", name);
- return name;
- }
-
-retry:
- size = snprintf(fixed_name, fixup_len, "%s#%d", name, i);
- size++; /* account for NULL */
-
- if (size > fixup_len) {
- /* We ran out of space, free and reallocate. */
- kfree(fixed_name);
- fixup_len = size;
- goto realloc;
- }
-
- if (duplicate_name(de, fixed_name)) {
- /* Multiple duplicates. Retry with a different offset. */
- i++;
- goto retry;
- }
-
- printk(KERN_WARNING "device-tree: Duplicate name in %s, "
- "renamed to \"%s\"\n", np->full_name, fixed_name);
-
- return fixed_name;
-}
-