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Diffstat (limited to 'drivers/isdn/i4l')
-rw-r--r--drivers/isdn/i4l/isdn_common.c19
-rw-r--r--drivers/isdn/i4l/isdn_net.c1
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c1
-rw-r--r--drivers/isdn/i4l/isdn_tty.c4
-rw-r--r--drivers/isdn/i4l/isdn_tty.h1
-rw-r--r--drivers/isdn/i4l/isdn_x25iface.c4
6 files changed, 21 insertions, 9 deletions
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index b26e509ec759..9f6c6375ff75 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -11,7 +11,6 @@
*
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/poll.h>
@@ -340,6 +339,16 @@ isdn_command(isdn_ctrl *cmd)
printk(KERN_WARNING "isdn_command command(%x) driver -1\n", cmd->command);
return(1);
}
+ if (!dev->drv[cmd->driver]) {
+ printk(KERN_WARNING "isdn_command command(%x) dev->drv[%d] NULL\n",
+ cmd->command, cmd->driver);
+ return(1);
+ }
+ if (!dev->drv[cmd->driver]->interface) {
+ printk(KERN_WARNING "isdn_command command(%x) dev->drv[%d]->interface NULL\n",
+ cmd->command, cmd->driver);
+ return(1);
+ }
if (cmd->command == ISDN_CMD_SETL2) {
int idx = isdn_dc2minor(cmd->driver, cmd->arg & 255);
unsigned long l2prot = (cmd->arg >> 8) & 255;
@@ -1903,6 +1912,11 @@ isdn_free_channel(int di, int ch, int usage)
{
int i;
+ if ((di < 0) || (ch < 0)) {
+ printk(KERN_WARNING "%s: called with invalid drv(%d) or channel(%d)\n",
+ __FUNCTION__, di, ch);
+ return;
+ }
for (i = 0; i < ISDN_MAX_CHANNELS; i++)
if (((!usage) || ((dev->usage[i] & ISDN_USAGE_MASK) == usage)) &&
(dev->drvmap[i] == di) &&
@@ -1918,7 +1932,8 @@ isdn_free_channel(int di, int ch, int usage)
dev->v110[i] = NULL;
// 20.10.99 JIM, try to reinitialize v110 !
isdn_info_update();
- skb_queue_purge(&dev->drv[di]->rpqueue[ch]);
+ if (dev->drv[di])
+ skb_queue_purge(&dev->drv[di]->rpqueue[ch]);
}
}
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 96c115e13389..43da8ae1b2ad 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -22,7 +22,6 @@
* http://i4l.zabbadoz.net/i4l/cisco-hdlc.txt
*/
-#include <linux/config.h>
#include <linux/isdn.h>
#include <net/arp.h>
#include <net/dst.h>
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 918742271c79..29e7667ec962 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -9,7 +9,6 @@
*
*/
-#include <linux/config.h>
#include <linux/isdn.h>
#include <linux/poll.h>
#include <linux/ppp-comp.h>
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 433389daedb2..9ab66e8960d5 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -11,7 +11,6 @@
*/
#undef ISDN_TTY_STAT_DEBUG
-#include <linux/config.h>
#include <linux/isdn.h>
#include <linux/delay.h>
#include "isdn_common.h"
@@ -1890,14 +1889,13 @@ isdn_tty_modem_init(void)
if (!m->tty_modem)
return -ENOMEM;
m->tty_modem->name = "ttyI";
- m->tty_modem->devfs_name = "isdn/ttyI";
m->tty_modem->major = ISDN_TTY_MAJOR;
m->tty_modem->minor_start = 0;
m->tty_modem->type = TTY_DRIVER_TYPE_SERIAL;
m->tty_modem->subtype = SERIAL_TYPE_NORMAL;
m->tty_modem->init_termios = tty_std_termios;
m->tty_modem->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
- m->tty_modem->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+ m->tty_modem->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
m->tty_modem->driver_name = "isdn_tty";
tty_set_operations(m->tty_modem, &modem_ops);
retval = tty_register_driver(m->tty_modem);
diff --git a/drivers/isdn/i4l/isdn_tty.h b/drivers/isdn/i4l/isdn_tty.h
index 9f0fa9501f4d..692c74d6b749 100644
--- a/drivers/isdn/i4l/isdn_tty.h
+++ b/drivers/isdn/i4l/isdn_tty.h
@@ -10,7 +10,6 @@
*
*/
-#include <linux/config.h>
#define DLE 0x10
#define ETX 0x03
diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c
index 743ac4077f35..8b3efc243161 100644
--- a/drivers/isdn/i4l/isdn_x25iface.c
+++ b/drivers/isdn/i4l/isdn_x25iface.c
@@ -208,7 +208,7 @@ static int isdn_x25iface_receive(struct concap_proto *cprot, struct sk_buff *skb
*/
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 @@ static 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);