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    Subject[PATCH net-next 09/16] net: dsa: use ports list to find first CPU port
    Date
    Use the new ports list instead of iterating over switches and their
    ports when looking up the first CPU port in the tree.

    Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com>
    ---
    net/dsa/dsa2.c | 17 +++--------------
    1 file changed, 3 insertions(+), 14 deletions(-)

    diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
    index 3b8de155bc0b..99f5dab06787 100644
    --- a/net/dsa/dsa2.c
    +++ b/net/dsa/dsa2.c
    @@ -186,22 +186,11 @@ static bool dsa_tree_setup_routing_table(struct dsa_switch_tree *dst)

    static struct dsa_port *dsa_tree_find_first_cpu(struct dsa_switch_tree *dst)
    {
    - struct dsa_switch *ds;
    struct dsa_port *dp;
    - int device, port;
    -
    - for (device = 0; device < DSA_MAX_SWITCHES; device++) {
    - ds = dst->ds[device];
    - if (!ds)
    - continue;

    - for (port = 0; port < ds->num_ports; port++) {
    - dp = &ds->ports[port];
    -
    - if (dsa_port_is_cpu(dp))
    - return dp;
    - }
    - }
    + list_for_each_entry(dp, &dst->ports, list)
    + if (dsa_port_is_cpu(dp))
    + return dp;

    return NULL;
    }
    --
    2.23.0
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