diff options
Diffstat (limited to 'drivers/hwspinlock/hwspinlock_core.c')
| -rw-r--r-- | drivers/hwspinlock/hwspinlock_core.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 2bad40d42210..d806307f19c2 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -333,6 +333,11 @@ int of_hwspin_lock_get_id(struct device_node *np, int index) if (ret) return ret; + if (!of_device_is_available(args.np)) { + ret = -ENOENT; + goto out; + } + /* Find the hwspinlock device: we need its base_id */ ret = -EPROBE_DEFER; rcu_read_lock(); |