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wan: make LAPB callbacks const

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This is compile tested only.
Suggested by dumpster diving in PAX.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2011-09-16 11:04:29 +00:00 committed by David S. Miller
parent 026359bc6e
commit d97a077a15
6 changed files with 28 additions and 28 deletions
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16
drivers/net/wan/hdlc_x25.c
View File

@ -134,15 +134,15 @@ static netdev_tx_t x25_xmit(struct sk_buff *skb, struct net_device *dev)
static int x25_open(struct net_device *dev)
{
struct lapb_register_struct cb;
int result;
cb.connect_confirmation = x25_connected;
cb.connect_indication = x25_connected;
cb.disconnect_confirmation = x25_disconnected;
cb.disconnect_indication = x25_disconnected;
cb.data_indication = x25_data_indication;
cb.data_transmit = x25_data_transmit;
static const struct lapb_register_struct cb = {
.connect_confirmation = x25_connected,
.connect_indication = x25_connected,
.disconnect_confirmation = x25_disconnected,
.disconnect_indication = x25_disconnected,
.data_indication = x25_data_indication,
.data_transmit = x25_data_transmit,
};
result = lapb_register(dev, &cb);
if (result != LAPB_OK)

3
drivers/net/wan/lapbether.c
View File

@ -259,14 +259,13 @@ static int lapbeth_set_mac_address(struct net_device *dev, void *addr)
}
static struct lapb_register_struct lapbeth_callbacks = {
static const struct lapb_register_struct lapbeth_callbacks = {
.connect_confirmation = lapbeth_connected,
.connect_indication = lapbeth_connected,
.disconnect_confirmation = lapbeth_disconnected,
.disconnect_indication = lapbeth_disconnected,
.data_indication = lapbeth_data_indication,
.data_transmit = lapbeth_data_transmit,
};
/*

3
drivers/net/wan/x25_asy.c
View File

@ -434,14 +434,13 @@ static void x25_asy_disconnected(struct net_device *dev, int reason)
netif_rx(skb);
}
static struct lapb_register_struct x25_asy_callbacks = {
static const struct lapb_register_struct x25_asy_callbacks = {
.connect_confirmation = x25_asy_connected,
.connect_indication = x25_asy_connected,
.disconnect_confirmation = x25_asy_disconnected,
.disconnect_indication = x25_asy_disconnected,
.data_indication = x25_asy_data_indication,
.data_transmit = x25_asy_data_transmit,
};

3
include/linux/lapb.h
View File

@ -44,7 +44,8 @@ struct lapb_parms_struct {
unsigned int mode;
};
extern int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks);
extern int lapb_register(struct net_device *dev,
const struct lapb_register_struct *callbacks);
extern int lapb_unregister(struct net_device *dev);
extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms);
extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms);

2
include/net/lapb.h
View File

@ -95,7 +95,7 @@ struct lapb_cb {
struct sk_buff_head write_queue;
struct sk_buff_head ack_queue;
unsigned char window;
struct lapb_register_struct callbacks;
const struct lapb_register_struct *callbacks;
/* FRMR control information */
struct lapb_frame frmr_data;

29
net/lapb/lapb_iface.c
View File

@ -139,7 +139,8 @@ out:
return lapb;
}
int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks)
int lapb_register(struct net_device *dev,
const struct lapb_register_struct *callbacks)
{
struct lapb_cb *lapb;
int rc = LAPB_BADTOKEN;
@ -158,7 +159,7 @@ int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks
goto out;
lapb->dev = dev;
lapb->callbacks = *callbacks;
lapb->callbacks = callbacks;
__lapb_insert_cb(lapb);
@ -380,32 +381,32 @@ int lapb_data_received(struct net_device *dev, struct sk_buff *skb)
void lapb_connect_confirmation(struct lapb_cb *lapb, int reason)
{
if (lapb->callbacks.connect_confirmation)
lapb->callbacks.connect_confirmation(lapb->dev, reason);
if (lapb->callbacks->connect_confirmation)
lapb->callbacks->connect_confirmation(lapb->dev, reason);
}
void lapb_connect_indication(struct lapb_cb *lapb, int reason)
{
if (lapb->callbacks.connect_indication)
lapb->callbacks.connect_indication(lapb->dev, reason);
if (lapb->callbacks->connect_indication)
lapb->callbacks->connect_indication(lapb->dev, reason);
}
void lapb_disconnect_confirmation(struct lapb_cb *lapb, int reason)
{
if (lapb->callbacks.disconnect_confirmation)
lapb->callbacks.disconnect_confirmation(lapb->dev, reason);
if (lapb->callbacks->disconnect_confirmation)
lapb->callbacks->disconnect_confirmation(lapb->dev, reason);
}
void lapb_disconnect_indication(struct lapb_cb *lapb, int reason)
{
if (lapb->callbacks.disconnect_indication)
lapb->callbacks.disconnect_indication(lapb->dev, reason);
if (lapb->callbacks->disconnect_indication)
lapb->callbacks->disconnect_indication(lapb->dev, reason);
}
int lapb_data_indication(struct lapb_cb *lapb, struct sk_buff *skb)
{
if (lapb->callbacks.data_indication)
return lapb->callbacks.data_indication(lapb->dev, skb);
if (lapb->callbacks->data_indication)
return lapb->callbacks->data_indication(lapb->dev, skb);
kfree_skb(skb);
return NET_RX_SUCCESS; /* For now; must be != NET_RX_DROP */
@ -415,8 +416,8 @@ int lapb_data_transmit(struct lapb_cb *lapb, struct sk_buff *skb)
{
int used = 0;
if (lapb->callbacks.data_transmit) {
lapb->callbacks.data_transmit(lapb->dev, skb);
if (lapb->callbacks->data_transmit) {
lapb->callbacks->data_transmit(lapb->dev, skb);
used = 1;
}