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

Vivien Didelot
2019-10-20T03:21:21Z

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