8 files changed, 16 insertions, 13 deletions

diff --git a/drivers/char/pcmcia/ipwireless/network.c b/drivers/char/pcmcia/ipwireless/network.c
index 65920163f53d..9fe538347932 100644
--- a/drivers/char/pcmcia/ipwireless/network.c
+++ b/drivers/char/pcmcia/ipwireless/network.c
@@ -239,7 +239,7 @@ static int ipwireless_ppp_ioctl(struct ppp_channel *ppp_channel,
         return err;
 }
 
-static struct ppp_channel_ops ipwireless_ppp_channel_ops = {
+static const struct ppp_channel_ops ipwireless_ppp_channel_ops = {
         .start_xmit = ipwireless_ppp_start_xmit,
         .ioctl      = ipwireless_ppp_ioctl
 };
diff --git a/drivers/net/ppp_async.c b/drivers/net/ppp_async.c
index 6c2e8fa0ca31..af50a530daee 100644
--- a/drivers/net/ppp_async.c
+++ b/drivers/net/ppp_async.c
@@ -108,9 +108,9 @@ static void ppp_async_process(unsigned long arg);
 static void async_lcp_peek(struct asyncppp *ap, unsigned char *data,
                            int len, int inbound);
 
-static struct ppp_channel_ops async_ops = {
-        ppp_async_send,
-        ppp_async_ioctl
+static const struct ppp_channel_ops async_ops = {
+        .start_xmit = ppp_async_send,
+        .ioctl      = ppp_async_ioctl,
 };
 
 /*
diff --git a/drivers/net/ppp_synctty.c b/drivers/net/ppp_synctty.c
index 52938da1e542..4c95ec3fb8d4 100644
--- a/drivers/net/ppp_synctty.c
+++ b/drivers/net/ppp_synctty.c
@@ -97,9 +97,9 @@ static void ppp_sync_flush_output(struct syncppp *ap);
 static void ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
                            char *flags, int count);
 
-static struct ppp_channel_ops sync_ops = {
-        ppp_sync_send,
-        ppp_sync_ioctl
+static const struct ppp_channel_ops sync_ops = {
+        .start_xmit = ppp_sync_send,
+        .ioctl      = ppp_sync_ioctl,
 };
 
 /*
diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c
index 344ef330e123..c07de359dc07 100644
--- a/drivers/net/pppoe.c
+++ b/drivers/net/pppoe.c
@@ -92,7 +92,7 @@
 static int __pppoe_xmit(struct sock *sk, struct sk_buff *skb);
 
 static const struct proto_ops pppoe_ops;
-static struct ppp_channel_ops pppoe_chan_ops;
+static const struct ppp_channel_ops pppoe_chan_ops;
 
 /* per-net private data for this module */
 static int pppoe_net_id __read_mostly;
@@ -963,7 +963,7 @@ static int pppoe_xmit(struct ppp_channel *chan, struct sk_buff *skb)
         return __pppoe_xmit(sk, skb);
 }
 
-static struct ppp_channel_ops pppoe_chan_ops = {
+static const struct ppp_channel_ops pppoe_chan_ops = {
         .start_xmit = pppoe_xmit,
 };
 
diff --git a/include/linux/ppp_channel.h b/include/linux/ppp_channel.h
index bff98ec1bfed..5d87f810a3b7 100644
--- a/include/linux/ppp_channel.h
+++ b/include/linux/ppp_channel.h
@@ -36,7 +36,7 @@ struct ppp_channel_ops {
 
 struct ppp_channel {
         void            *private;       /* channel private data */
-        struct ppp_channel_ops *ops;    /* operations for this channel */
+        const struct ppp_channel_ops *ops; /* operations for this channel */
         int             mtu;            /* max transmit packet size */
         int             hdrlen;         /* amount of headroom channel needs */
         void            *ppp;           /* opaque to channel */
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index e49bb6d948a1..e9aced0ec56b 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c
@@ -260,7 +260,7 @@ static int pppoatm_devppp_ioctl(struct ppp_channel *chan, unsigned int cmd,
         return -ENOTTY;
 }
 
-static /*const*/ struct ppp_channel_ops pppoatm_ops = {
+static const struct ppp_channel_ops pppoatm_ops = {
         .start_xmit = pppoatm_send,
         .ioctl = pppoatm_devppp_ioctl,
 };
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index 800bc53b7f63..dfe7b38dd4af 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -20,7 +20,7 @@
 /* Please put other headers in irnet.h - Thanks */
 
 /* Generic PPP callbacks (to call us) */
-static struct ppp_channel_ops irnet_ppp_ops = {
+static const struct ppp_channel_ops irnet_ppp_ops = {
         .start_xmit = ppp_irnet_send,
         .ioctl = ppp_irnet_ioctl
 };
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 90d82b3f2889..ff954b3e94b6 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -135,7 +135,10 @@ struct pppol2tp_session {
 
 static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb);
 
-static struct ppp_channel_ops pppol2tp_chan_ops = { pppol2tp_xmit , NULL };
+static const struct ppp_channel_ops pppol2tp_chan_ops = {
+        .start_xmit =  pppol2tp_xmit,
+};
+
 static const struct proto_ops pppol2tp_ops;
 
 /* Helpers to obtain tunnel/session contexts from sockets.