| From | Philipp Zabel <> | Subject | [PATCH v6 8/8] of: Warn if of_graph_parse_endpoint is called with the root node | Date | Wed, 5 Mar 2014 10:20:42 +0100 |
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If of_graph_parse_endpoint is given a parentless node instead of an endpoint node, it is clearly a bug.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> --- drivers/of/base.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/of/base.c b/drivers/of/base.c index ffd0217..75de6bd 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -1996,6 +1996,9 @@ int of_graph_parse_endpoint(const struct device_node *node, { struct device_node *port_node = of_get_parent(node); + WARN_ONCE(!port_node, "%s(): endpoint %s has no parent node\n", + __func__, node->full_name); + memset(endpoint, 0, sizeof(*endpoint)); endpoint->local_node = node; -- 1.9.0.rc3
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