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-rw-r--r--drivers/isdn/i4l/isdn_audio.c1
-rw-r--r--drivers/isdn/i4l/isdn_common.c42
-rw-r--r--drivers/isdn/i4l/isdn_net.c8
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c14
-rw-r--r--drivers/isdn/i4l/isdn_tty.c7
-rw-r--r--drivers/isdn/i4l/isdn_x25iface.c18
6 files changed, 50 insertions, 40 deletions
diff --git a/drivers/isdn/i4l/isdn_audio.c b/drivers/isdn/i4l/isdn_audio.c
index fb350c567c6..861bdf3421f 100644
--- a/drivers/isdn/i4l/isdn_audio.c
+++ b/drivers/isdn/i4l/isdn_audio.c
@@ -12,6 +12,7 @@
*/
#include <linux/isdn.h>
+#include <linux/slab.h>
#include "isdn_audio.h"
#include "isdn_common.h"
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 00c60e2e0ff..15632bd2f64 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -14,9 +14,10 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/poll.h>
+#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/isdn.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include "isdn_common.h"
#include "isdn_tty.h"
#include "isdn_net.h"
@@ -41,6 +42,7 @@ MODULE_LICENSE("GPL");
isdn_dev *dev;
+static DEFINE_MUTEX(isdn_mutex);
static char *isdn_revision = "$Revision: 1.1.2.3 $";
extern char *isdn_net_revision;
@@ -1069,7 +1071,7 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off)
int retval;
char *p;
- lock_kernel();
+ mutex_lock(&isdn_mutex);
if (minor == ISDN_MINOR_STATUS) {
if (!file->private_data) {
if (file->f_flags & O_NONBLOCK) {
@@ -1162,7 +1164,7 @@ isdn_read(struct file *file, char __user *buf, size_t count, loff_t * off)
#endif
retval = -ENODEV;
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return retval;
}
@@ -1179,7 +1181,7 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off
if (!dev->drivers)
return -ENODEV;
- lock_kernel();
+ mutex_lock(&isdn_mutex);
if (minor <= ISDN_MINOR_BMAX) {
printk(KERN_WARNING "isdn_write minor %d obsolete!\n", minor);
drvidx = isdn_minor2drv(minor);
@@ -1224,7 +1226,7 @@ isdn_write(struct file *file, const char __user *buf, size_t count, loff_t * off
#endif
retval = -ENODEV;
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return retval;
}
@@ -1235,7 +1237,7 @@ isdn_poll(struct file *file, poll_table * wait)
unsigned int minor = iminor(file->f_path.dentry->d_inode);
int drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);
- lock_kernel();
+ mutex_lock(&isdn_mutex);
if (minor == ISDN_MINOR_STATUS) {
poll_wait(file, &(dev->info_waitq), wait);
/* mask = POLLOUT | POLLWRNORM; */
@@ -1265,15 +1267,15 @@ isdn_poll(struct file *file, poll_table * wait)
#endif
mask = POLLERR;
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return mask;
}
static int
-isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
+isdn_ioctl(struct file *file, uint cmd, ulong arg)
{
- uint minor = iminor(inode);
+ uint minor = iminor(file->f_path.dentry->d_inode);
isdn_ctrl c;
int drvidx;
int chidx;
@@ -1721,6 +1723,18 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
#undef cfg
}
+static long
+isdn_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ mutex_lock(&isdn_mutex);
+ ret = isdn_ioctl(file, cmd, arg);
+ mutex_unlock(&isdn_mutex);
+
+ return ret;
+}
+
/*
* Open the device code.
*/
@@ -1732,7 +1746,7 @@ isdn_open(struct inode *ino, struct file *filep)
int chidx;
int retval = -ENODEV;
- lock_kernel();
+ mutex_lock(&isdn_mutex);
if (minor == ISDN_MINOR_STATUS) {
infostruct *p;
@@ -1783,7 +1797,7 @@ isdn_open(struct inode *ino, struct file *filep)
#endif
out:
nonseekable_open(ino, filep);
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return retval;
}
@@ -1792,7 +1806,7 @@ isdn_close(struct inode *ino, struct file *filep)
{
uint minor = iminor(ino);
- lock_kernel();
+ mutex_lock(&isdn_mutex);
if (minor == ISDN_MINOR_STATUS) {
infostruct *p = dev->infochain;
infostruct *q = NULL;
@@ -1826,7 +1840,7 @@ isdn_close(struct inode *ino, struct file *filep)
#endif
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return 0;
}
@@ -1837,7 +1851,7 @@ static const struct file_operations isdn_fops =
.read = isdn_read,
.write = isdn_write,
.poll = isdn_poll,
- .ioctl = isdn_ioctl,
+ .unlocked_ioctl = isdn_unlocked_ioctl,
.open = isdn_open,
.release = isdn_close,
};
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 507e13d9a57..26d44c3ca1d 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -23,6 +23,7 @@
*/
#include <linux/isdn.h>
+#include <linux/slab.h>
#include <net/arp.h>
#include <net/dst.h>
#include <net/pkt_sched.h>
@@ -2923,16 +2924,17 @@ isdn_net_getcfg(isdn_net_ioctl_cfg * cfg)
cfg->dialtimeout = lp->dialtimeout >= 0 ? lp->dialtimeout / HZ : -1;
cfg->dialwait = lp->dialwait / HZ;
if (lp->slave) {
- if (strlen(lp->slave->name) > 8)
+ if (strlen(lp->slave->name) >= 10)
strcpy(cfg->slave, "too-long");
else
strcpy(cfg->slave, lp->slave->name);
} else
cfg->slave[0] = '\0';
if (lp->master) {
- if (strlen(lp->master->name) > 8)
+ if (strlen(lp->master->name) >= 10)
strcpy(cfg->master, "too-long");
- strcpy(cfg->master, lp->master->name);
+ else
+ strcpy(cfg->master, lp->master->name);
} else
cfg->master[0] = '\0';
return 0;
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 45df6675e8e..fe824e0cbb2 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -12,6 +12,7 @@
#include <linux/isdn.h>
#include <linux/poll.h>
#include <linux/ppp-comp.h>
+#include <linux/slab.h>
#ifdef CONFIG_IPPP_FILTER
#include <linux/filter.h>
#endif
@@ -448,14 +449,9 @@ static int get_filter(void __user *arg, struct sock_filter **p)
/* uprog.len is unsigned short, so no overflow here */
len = uprog.len * sizeof(struct sock_filter);
- code = kmalloc(len, GFP_KERNEL);
- if (code == NULL)
- return -ENOMEM;
-
- if (copy_from_user(code, uprog.filter, len)) {
- kfree(code);
- return -EFAULT;
- }
+ code = memdup_user(uprog.filter, len);
+ if (IS_ERR(code))
+ return PTR_ERR(code);
err = sk_chk_filter(code, uprog.len);
if (err) {
@@ -481,7 +477,7 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg)
struct isdn_ppp_comp_data data;
void __user *argp = (void __user *)arg;
- is = (struct ippp_struct *) file->private_data;
+ is = file->private_data;
lp = is->lp;
if (is->debug & 0x1)
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c
index 2881a66c1aa..51dc60da333 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -12,6 +12,7 @@
#undef ISDN_TTY_STAT_DEBUG
#include <linux/isdn.h>
+#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/smp_lock.h>
#include "isdn_common.h"
@@ -2635,12 +2636,6 @@ isdn_tty_modem_result(int code, modem_info * info)
if ((info->flags & ISDN_ASYNC_CLOSING) || (!info->tty)) {
return;
}
-#ifdef CONFIG_ISDN_AUDIO
- if ( !info->vonline )
- tty_ldisc_flush(info->tty);
-#else
- tty_ldisc_flush(info->tty);
-#endif
if ((info->flags & ISDN_ASYNC_CHECK_CD) &&
(!((info->flags & ISDN_ASYNC_CALLOUT_ACTIVE) &&
(info->flags & ISDN_ASYNC_CALLOUT_NOHUP)))) {
diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c
index 8b3efc24316..fd10d7c785d 100644
--- a/drivers/isdn/i4l/isdn_x25iface.c
+++ b/drivers/isdn/i4l/isdn_x25iface.c
@@ -20,6 +20,7 @@
/* #include <linux/isdn.h> */
#include <linux/netdevice.h>
#include <linux/concap.h>
+#include <linux/slab.h>
#include <linux/wanrouter.h>
#include <net/x25device.h>
#include "isdn_x25iface.h"
@@ -193,7 +194,7 @@ static int isdn_x25iface_receive(struct concap_proto *cprot, struct sk_buff *skb
if ( ( (ix25_pdata_t*) (cprot->proto_data) )
-> state == WAN_CONNECTED ){
if( skb_push(skb, 1)){
- skb -> data[0]=0x00;
+ skb->data[0] = X25_IFACE_DATA;
skb->protocol = x25_type_trans(skb, cprot->net_dev);
netif_rx(skb);
return 0;
@@ -223,7 +224,7 @@ static int isdn_x25iface_connect_ind(struct concap_proto *cprot)
skb = dev_alloc_skb(1);
if( skb ){
- *( skb_put(skb, 1) ) = 0x01;
+ *(skb_put(skb, 1)) = X25_IFACE_CONNECT;
skb->protocol = x25_type_trans(skb, cprot->net_dev);
netif_rx(skb);
return 0;
@@ -252,7 +253,7 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *cprot)
*state_p = WAN_DISCONNECTED;
skb = dev_alloc_skb(1);
if( skb ){
- *( skb_put(skb, 1) ) = 0x02;
+ *(skb_put(skb, 1)) = X25_IFACE_DISCONNECT;
skb->protocol = x25_type_trans(skb, cprot->net_dev);
netif_rx(skb);
return 0;
@@ -271,9 +272,10 @@ 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;
int ret = 0;
- IX25DEBUG( "isdn_x25iface_xmit: %s first=%x state=%d \n", MY_DEVNAME(cprot -> net_dev), firstbyte, *state );
+ IX25DEBUG("isdn_x25iface_xmit: %s first=%x state=%d\n",
+ MY_DEVNAME(cprot->net_dev), firstbyte, *state);
switch ( firstbyte ){
- case 0x00: /* dl_data request */
+ case X25_IFACE_DATA:
if( *state == WAN_CONNECTED ){
skb_pull(skb, 1);
cprot -> net_dev -> trans_start = jiffies;
@@ -284,7 +286,7 @@ static int isdn_x25iface_xmit(struct concap_proto *cprot, struct sk_buff *skb)
}
illegal_state_warn( *state, firstbyte );
break;
- case 0x01: /* dl_connect request */
+ case X25_IFACE_CONNECT:
if( *state == WAN_DISCONNECTED ){
*state = WAN_CONNECTING;
ret = cprot -> dops -> connect_req(cprot);
@@ -297,7 +299,7 @@ static int isdn_x25iface_xmit(struct concap_proto *cprot, struct sk_buff *skb)
illegal_state_warn( *state, firstbyte );
}
break;
- case 0x02: /* dl_disconnect request */
+ case X25_IFACE_DISCONNECT:
switch ( *state ){
case WAN_DISCONNECTED:
/* Should not happen. However, give upper layer a
@@ -317,7 +319,7 @@ static int isdn_x25iface_xmit(struct concap_proto *cprot, struct sk_buff *skb)
illegal_state_warn( *state, firstbyte );
}
break;
- case 0x03: /* changing lapb parameters requested */
+ case X25_IFACE_PARAMS:
printk(KERN_WARNING "isdn_x25iface_xmit: setting of lapb"
" options not yet supported\n");
break;