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-rw-r--r--drivers/of/base.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index e67b308819c9..567e6e1b7921 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -700,6 +700,9 @@ static struct device_node *__of_get_next_child(const struct device_node *node,
{
struct device_node *next;
+ if (!node)
+ return NULL;
+
next = prev ? prev->sibling : node->child;
for (; next; next = next->sibling)
if (of_node_get(next))
@@ -746,6 +749,9 @@ struct device_node *of_get_next_available_child(const struct device_node *node,
struct device_node *next;
unsigned long flags;
+ if (!node)
+ return NULL;
+
raw_spin_lock_irqsave(&devtree_lock, flags);
next = prev ? prev->sibling : node->child;
for (; next; next = next->sibling) {