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-rw-r--r--drivers/isdn/i4l/isdn_common.c27
-rw-r--r--drivers/isdn/i4l/isdn_net.c7
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c13
-rw-r--r--drivers/isdn/i4l/isdn_tty.c6
4 files changed, 22 insertions, 31 deletions
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index a44cdb492ea9..15632bd2f643 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -17,7 +17,7 @@
#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"
@@ -42,6 +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;
@@ -1070,7 +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) {
@@ -1163,7 +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;
}
@@ -1180,7 +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);
@@ -1225,7 +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;
}
@@ -1236,7 +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; */
@@ -1266,7 +1267,7 @@ isdn_poll(struct file *file, poll_table * wait)
#endif
mask = POLLERR;
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return mask;
}
@@ -1727,9 +1728,9 @@ isdn_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret;
- lock_kernel();
+ mutex_lock(&isdn_mutex);
ret = isdn_ioctl(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return ret;
}
@@ -1745,7 +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;
@@ -1796,7 +1797,7 @@ isdn_open(struct inode *ino, struct file *filep)
#endif
out:
nonseekable_open(ino, filep);
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return retval;
}
@@ -1805,7 +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;
@@ -1839,7 +1840,7 @@ isdn_close(struct inode *ino, struct file *filep)
#endif
out:
- unlock_kernel();
+ mutex_unlock(&isdn_mutex);
return 0;
}
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 8c85d1e88cc6..26d44c3ca1d8 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -2924,16 +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 f37b8f68d0aa..fe824e0cbb25 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -449,14 +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) {
@@ -482,7 +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 fc8454d2eea5..51dc60da333b 100644
--- a/drivers/isdn/i4l/isdn_tty.c
+++ b/drivers/isdn/i4l/isdn_tty.c
@@ -2636,12 +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)))) {
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