net: dsa: add more const attributes

The notify mechanism does not need to modify the port it is notifying.
So make the parameter const.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index bb0218c1b570522d3b752b92925334afc964fd4c..507e1ce4d4d2d168c79bc3566db2559b63f759e8 100644 (file)
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -147,10 +147,10 @@ int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
                     u16 vid);
 int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data);
-int dsa_port_mdb_add(struct dsa_port *dp,
+int dsa_port_mdb_add(const struct dsa_port *dp,
                     const struct switchdev_obj_port_mdb *mdb,
                     struct switchdev_trans *trans);
-int dsa_port_mdb_del(struct dsa_port *dp,
+int dsa_port_mdb_del(const struct dsa_port *dp,
                     const struct switchdev_obj_port_mdb *mdb);
 int dsa_port_vlan_add(struct dsa_port *dp,
                      const struct switchdev_obj_port_vlan *vlan,

diff --git a/net/dsa/port.c b/net/dsa/port.c
index bb30b1a7de3a713bfd6a4c7f2f88bd005e630914..a85cd63a91c443c653cb21c600bee5cd627bc4e9 100644 (file)
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -17,7 +17,7 @@
 
 #include "dsa_priv.h"
 
-static int dsa_port_notify(struct dsa_port *dp, unsigned long e, void *v)
+static int dsa_port_notify(const struct dsa_port *dp, unsigned long e, void *v)
 {
        struct raw_notifier_head *nh = &dp->ds->dst->nh;
        int err;
@@ -215,7 +215,7 @@ int dsa_port_fdb_dump(struct dsa_port *dp, dsa_fdb_dump_cb_t *cb, void *data)
        return ds->ops->port_fdb_dump(ds, port, cb, data);
 }
 
-int dsa_port_mdb_add(struct dsa_port *dp,
+int dsa_port_mdb_add(const struct dsa_port *dp,
                     const struct switchdev_obj_port_mdb *mdb,
                     struct switchdev_trans *trans)
 {
@@ -229,7 +229,7 @@ int dsa_port_mdb_add(struct dsa_port *dp,
        return dsa_port_notify(dp, DSA_NOTIFIER_MDB_ADD, &info);
 }
 
-int dsa_port_mdb_del(struct dsa_port *dp,
+int dsa_port_mdb_del(const struct dsa_port *dp,
                     const struct switchdev_obj_port_mdb *mdb)
 {
        struct dsa_notifier_mdb_info info = {