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    Subject[PATCH v2 2/5] dt: protect against NULL matches passed to of_match_node()
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    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>
    ---
    drivers/of/base.c | 3 +++
    1 files changed, 3 insertions(+), 0 deletions(-)

    diff --git a/drivers/of/base.c b/drivers/of/base.c
    index 710b53b..632ebae7 100644
    --- a/drivers/of/base.c
    +++ b/drivers/of/base.c
    @@ -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])


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