diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/base.c | 6 |
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) { |