Commit a52f07ec authored Mar 18, 2011 by Grant Likely

dt: protect against NULL matches passed to of_match_node()



There are a few use cases where it is convenient to pass NULL to
of_match_node() and have it fail gracefully.  The patch adds a null
check to the beginning so taht it does so.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

parent 38e9e21d

drivers/of/base.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -496,6 +496,9 @@ EXPORT_SYMBOL(of_find_node_with_property);
		const struct of_device_id of_match_node(const struct of_device_id matches,
		const struct device_node *node)
		{
		if (!matches)
		return NULL;

		while (matches->name[0] \|\| matches->type[0] \|\| matches->compatible[0]) {
		int match = 1;
		if (matches->name[0])