diff options
| -rw-r--r-- | fs/char_dev.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/char_dev.c b/fs/char_dev.c index ba0ded7842a7..340e4543b24a 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -483,17 +483,24 @@ int cdev_add(struct cdev *p, dev_t dev, unsigned count) p->dev = dev; p->count = count; - if (WARN_ON(dev == WHITEOUT_DEV)) - return -EBUSY; + if (WARN_ON(dev == WHITEOUT_DEV)) { + error = -EBUSY; + goto err; + } error = kobj_map(cdev_map, dev, count, NULL, exact_match, exact_lock, p); if (error) - return error; + goto err; kobject_get(p->kobj.parent); return 0; + +err: + kfree_const(p->kobj.name); + p->kobj.name = NULL; + return error; } /** |