X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=drivers%2Fisdn%2Fi4l%2Fisdn_x25iface.c;h=8b3efc243161a201fd8029d5d43900371c48b2b5;hb=7069331dbe7155f23966f5944109f909fea0c7e4;hp=4ab7600cf9c1bb34194580dd05073a4bf9d09424;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=karo-tx-linux.git

diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c
index 4ab7600cf9c1..8b3efc243161 100644
--- a/drivers/isdn/i4l/isdn_x25iface.c
+++ b/drivers/isdn/i4l/isdn_x25iface.c
@@ -7,7 +7,7 @@
  *
  * stuff needed to support the Linux X.25 PLP code on top of devices that
  * can provide a lab_b service using the concap_proto mechanism.
- * This module supports a network interface wich provides lapb_sematics
+ * This module supports a network interface which provides lapb_sematics
  * -- as defined in Documentation/networking/x25-iface.txt -- to
  * the upper layer and assumes that the lower layer provides a reliable
  * data link service by means of the concap_device_ops callbacks.
@@ -40,15 +40,15 @@ typedef struct isdn_x25iface_proto_data {
 
 
 /* is now in header file (extern): struct concap_proto * isdn_x25iface_proto_new(void); */
-void isdn_x25iface_proto_del( struct concap_proto * );
-int isdn_x25iface_proto_close( struct concap_proto * );
-int isdn_x25iface_proto_restart( struct concap_proto *,
-				 struct net_device *,
-				 struct concap_device_ops *);
-int isdn_x25iface_xmit( struct concap_proto *, struct sk_buff * );
-int isdn_x25iface_receive( struct concap_proto *, struct sk_buff * );
-int isdn_x25iface_connect_ind( struct concap_proto * );
-int isdn_x25iface_disconn_ind( struct concap_proto * );
+static void isdn_x25iface_proto_del( struct concap_proto * );
+static int isdn_x25iface_proto_close( struct concap_proto * );
+static int isdn_x25iface_proto_restart( struct concap_proto *,
+					struct net_device *,
+					struct concap_device_ops *);
+static int isdn_x25iface_xmit( struct concap_proto *, struct sk_buff * );
+static int isdn_x25iface_receive( struct concap_proto *, struct sk_buff * );
+static int isdn_x25iface_connect_ind( struct concap_proto * );
+static int isdn_x25iface_disconn_ind( struct concap_proto * );
 
 
 static struct concap_proto_ops ix25_pops = {
@@ -102,7 +102,7 @@ struct concap_proto * isdn_x25iface_proto_new(void)
 
 /* close the x25iface encapsulation protocol 
  */
-int isdn_x25iface_proto_close(struct concap_proto *cprot){
+static int isdn_x25iface_proto_close(struct concap_proto *cprot){
 
 	ix25_pdata_t *tmp;
         int ret = 0;
@@ -129,7 +129,7 @@ int isdn_x25iface_proto_close(struct concap_proto *cprot){
 
 /* Delete the x25iface encapsulation protocol instance
  */
-void isdn_x25iface_proto_del(struct concap_proto *cprot){
+static void isdn_x25iface_proto_del(struct concap_proto *cprot){
 
 	ix25_pdata_t * tmp;
  
@@ -158,9 +158,9 @@ void isdn_x25iface_proto_del(struct concap_proto *cprot){
 
 /* (re-)initialize the data structures for x25iface encapsulation
  */
-int isdn_x25iface_proto_restart(struct concap_proto *cprot,
-				struct net_device *ndev, 
-				struct concap_device_ops *dops)
+static int isdn_x25iface_proto_restart(struct concap_proto *cprot,
+					struct net_device *ndev,
+					struct concap_device_ops *dops)
 {
 	ix25_pdata_t * pda = cprot -> proto_data ;
 	ulong flags;
@@ -187,7 +187,7 @@ int isdn_x25iface_proto_restart(struct concap_proto *cprot,
 
 /* deliver a dl_data frame received from i4l HL driver to the network layer 
  */
-int isdn_x25iface_receive(struct concap_proto *cprot, struct sk_buff *skb)
+static int isdn_x25iface_receive(struct concap_proto *cprot, struct sk_buff *skb)
 {
   	IX25DEBUG( "isdn_x25iface_receive %s \n", MY_DEVNAME(cprot->net_dev) );
 	if ( ( (ix25_pdata_t*) (cprot->proto_data) ) 
@@ -206,9 +206,9 @@ int isdn_x25iface_receive(struct concap_proto *cprot, struct sk_buff *skb)
 
 /* a connection set up is indicated by lower layer 
  */
-int isdn_x25iface_connect_ind(struct concap_proto *cprot)
+static int isdn_x25iface_connect_ind(struct concap_proto *cprot)
 {
-	struct sk_buff * skb = dev_alloc_skb(1);
+	struct sk_buff * skb;
 	enum wan_states *state_p 
 	  = &( ( (ix25_pdata_t*) (cprot->proto_data) ) -> state);
 	IX25DEBUG( "isdn_x25iface_connect_ind %s \n"
@@ -220,6 +220,8 @@ int isdn_x25iface_connect_ind(struct concap_proto *cprot)
 		return -1;
 	}
 	*state_p = WAN_CONNECTED;
+
+	skb = dev_alloc_skb(1);
 	if( skb ){
 		*( skb_put(skb, 1) ) = 0x01;
 		skb->protocol = x25_type_trans(skb, cprot->net_dev);
@@ -235,7 +237,7 @@ int isdn_x25iface_connect_ind(struct concap_proto *cprot)
 	
 /* a disconnect is indicated by lower layer 
  */
-int isdn_x25iface_disconn_ind(struct concap_proto *cprot)
+static int isdn_x25iface_disconn_ind(struct concap_proto *cprot)
 {
 	struct sk_buff *skb;
 	enum wan_states *state_p 
@@ -264,7 +266,7 @@ int isdn_x25iface_disconn_ind(struct concap_proto *cprot)
 /* process a frame handed over to us from linux network layer. First byte
    semantics as defined in Documentation/networking/x25-iface.txt
    */
-int isdn_x25iface_xmit(struct concap_proto *cprot, struct sk_buff *skb)
+static int isdn_x25iface_xmit(struct concap_proto *cprot, struct sk_buff *skb)
 {
 	unsigned char firstbyte = skb->data[0];
 	enum wan_states *state = &((ix25_pdata_t*)cprot->proto_data)->state;