netdev - [PATCH v4 net-next 5/6] net: dsa: add more const attributes

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Message-Id: <1510265462-25077-6-git-send-email-andrew@lunn.ch>
Date:   Thu,  9 Nov 2017 23:11:01 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     David Miller <davem@...emloft.net>
Cc:     Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        netdev <netdev@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>
Subject: [PATCH v4 net-next 5/6] 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@...n.ch>
---
 net/dsa/dsa_priv.h | 4 ++--
 net/dsa/port.c     | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index bb0218c1b570..507e1ce4d4d2 100644
--- 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 bb30b1a7de3a..a85cd63a91c4 100644
--- 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 = {
-- 
2.15.0