[PATCH net-next 09/16] net: dsa: use ports list to find first CPU port

[Vivien Didelot]

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.dide...@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