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path: root/drivers/hwspinlock/hwspinlock_core.c
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Diffstat (limited to 'drivers/hwspinlock/hwspinlock_core.c')
-rw-r--r--drivers/hwspinlock/hwspinlock_core.c5
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();