summaryrefslogtreecommitdiffstats
path: root/drivers/isdn
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/isdn')
-rw-r--r--drivers/isdn/gigaset/capi.c2
-rw-r--r--drivers/isdn/hardware/avm/b1.c2
-rw-r--r--drivers/isdn/hardware/avm/b1dma.c2
-rw-r--r--drivers/isdn/hardware/avm/c4.c2
-rw-r--r--drivers/isdn/hardware/eicon/divasproc.c12
-rw-r--r--drivers/isdn/hysdn/hycapi.c2
-rw-r--r--drivers/isdn/hysdn/hysdn_procconf.c32
-rw-r--r--drivers/isdn/hysdn/hysdn_proclog.c71
-rw-r--r--drivers/isdn/mISDN/timerdev.c76
9 files changed, 70 insertions, 131 deletions
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 03a0a01a4054..3286903a95d2 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -2334,7 +2334,7 @@ static int gigaset_proc_show(struct seq_file *m, void *v)
static int gigaset_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, gigaset_proc_show, PDE(inode)->data);
+ return single_open(file, gigaset_proc_show, PDE_DATA(inode));
}
static const struct file_operations gigaset_proc_fops = {
diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c
index 821f7ac33b37..4d9b195547c5 100644
--- a/drivers/isdn/hardware/avm/b1.c
+++ b/drivers/isdn/hardware/avm/b1.c
@@ -702,7 +702,7 @@ static int b1ctl_proc_show(struct seq_file *m, void *v)
static int b1ctl_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, b1ctl_proc_show, PDE(inode)->data);
+ return single_open(file, b1ctl_proc_show, PDE_DATA(inode));
}
const struct file_operations b1ctl_proc_fops = {
diff --git a/drivers/isdn/hardware/avm/b1dma.c b/drivers/isdn/hardware/avm/b1dma.c
index 0896aa86fc08..19b113faeb7b 100644
--- a/drivers/isdn/hardware/avm/b1dma.c
+++ b/drivers/isdn/hardware/avm/b1dma.c
@@ -944,7 +944,7 @@ static int b1dmactl_proc_show(struct seq_file *m, void *v)
static int b1dmactl_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, b1dmactl_proc_show, PDE(inode)->data);
+ return single_open(file, b1dmactl_proc_show, PDE_DATA(inode));
}
const struct file_operations b1dmactl_proc_fops = {
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index 1d7fc44e3eef..5d00d72fe482 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -1129,7 +1129,7 @@ static int c4_proc_show(struct seq_file *m, void *v)
static int c4_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, c4_proc_show, PDE(inode)->data);
+ return single_open(file, c4_proc_show, PDE_DATA(inode));
}
static const struct file_operations c4_proc_fops = {
diff --git a/drivers/isdn/hardware/eicon/divasproc.c b/drivers/isdn/hardware/eicon/divasproc.c
index 3a4165c61196..56ce98a4e248 100644
--- a/drivers/isdn/hardware/eicon/divasproc.c
+++ b/drivers/isdn/hardware/eicon/divasproc.c
@@ -145,7 +145,7 @@ void remove_divas_proc(void)
static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
- diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
+ diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
if ((count == 1) || (count == 2)) {
@@ -172,7 +172,7 @@ static ssize_t grp_opt_proc_write(struct file *file, const char __user *buffer,
static ssize_t d_l1_down_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
- diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
+ diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
if ((count == 1) || (count == 2)) {
@@ -210,7 +210,7 @@ static int d_l1_down_proc_show(struct seq_file *m, void *v)
static int d_l1_down_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, d_l1_down_proc_show, PDE(inode)->data);
+ return single_open(file, d_l1_down_proc_show, PDE_DATA(inode));
}
static const struct file_operations d_l1_down_proc_fops = {
@@ -236,7 +236,7 @@ static int grp_opt_proc_show(struct seq_file *m, void *v)
static int grp_opt_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, grp_opt_proc_show, PDE(inode)->data);
+ return single_open(file, grp_opt_proc_show, PDE_DATA(inode));
}
static const struct file_operations grp_opt_proc_fops = {
@@ -251,7 +251,7 @@ static const struct file_operations grp_opt_proc_fops = {
static ssize_t info_proc_write(struct file *file, const char __user *buffer,
size_t count, loff_t *pos)
{
- diva_os_xdi_adapter_t *a = PDE(file_inode(file))->data;
+ diva_os_xdi_adapter_t *a = PDE_DATA(file_inode(file));
PISDN_ADAPTER IoAdapter = IoAdapters[a->controller - 1];
char c[4];
@@ -335,7 +335,7 @@ static int info_proc_show(struct seq_file *m, void *v)
static int info_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, info_proc_show, PDE(inode)->data);
+ return single_open(file, info_proc_show, PDE_DATA(inode));
}
static const struct file_operations info_proc_fops = {
diff --git a/drivers/isdn/hysdn/hycapi.c b/drivers/isdn/hysdn/hycapi.c
index 931f916c9c23..00aad10507d8 100644
--- a/drivers/isdn/hysdn/hycapi.c
+++ b/drivers/isdn/hysdn/hycapi.c
@@ -469,7 +469,7 @@ static int hycapi_proc_show(struct seq_file *m, void *v)
static int hycapi_proc_open(struct inode *inode, struct file *file)
{
- return single_open(file, hycapi_proc_show, PDE(inode)->data);
+ return single_open(file, hycapi_proc_show, PDE_DATA(inode));
}
static const struct file_operations hycapi_proc_fops = {
diff --git a/drivers/isdn/hysdn/hysdn_procconf.c b/drivers/isdn/hysdn/hysdn_procconf.c
index 8023d2510fba..73079213ec94 100644
--- a/drivers/isdn/hysdn/hysdn_procconf.c
+++ b/drivers/isdn/hysdn/hysdn_procconf.c
@@ -229,23 +229,12 @@ static int
hysdn_conf_open(struct inode *ino, struct file *filep)
{
hysdn_card *card;
- struct proc_dir_entry *pd;
struct conf_writedata *cnf;
char *cp, *tmp;
/* now search the addressed card */
mutex_lock(&hysdn_conf_mutex);
- card = card_root;
- while (card) {
- pd = card->procconf;
- if (pd == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (!card) {
- mutex_unlock(&hysdn_conf_mutex);
- return (-ENODEV); /* device is unknown/invalid */
- }
+ card = PDE_DATA(ino);
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
hysdn_addlog(card, "config open for uid=%d gid=%d mode=0x%x",
filep->f_cred->fsuid, filep->f_cred->fsgid,
@@ -317,21 +306,9 @@ hysdn_conf_close(struct inode *ino, struct file *filep)
hysdn_card *card;
struct conf_writedata *cnf;
int retval = 0;
- struct proc_dir_entry *pd;
mutex_lock(&hysdn_conf_mutex);
- /* search the addressed card */
- card = card_root;
- while (card) {
- pd = card->procconf;
- if (pd == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (!card) {
- mutex_unlock(&hysdn_conf_mutex);
- return (-ENODEV); /* device is unknown/invalid */
- }
+ card = PDE_DATA(ino);
if (card->debug_flags & (LOG_PROC_OPEN | LOG_PROC_ALL))
hysdn_addlog(card, "config close for uid=%d gid=%d mode=0x%x",
filep->f_cred->fsuid, filep->f_cred->fsgid,
@@ -394,10 +371,11 @@ hysdn_procconf_init(void)
while (card) {
sprintf(conf_name, "%s%d", PROC_CONF_BASENAME, card->myid);
- if ((card->procconf = (void *) proc_create(conf_name,
+ if ((card->procconf = (void *) proc_create_data(conf_name,
S_IFREG | S_IRUGO | S_IWUSR,
hysdn_proc_entry,
- &conf_fops)) != NULL) {
+ &conf_fops,
+ card)) != NULL) {
hysdn_proclog_init(card); /* init the log file entry */
}
card = card->next; /* next entry */
diff --git a/drivers/isdn/hysdn/hysdn_proclog.c b/drivers/isdn/hysdn/hysdn_proclog.c
index 9a3ce93665c5..b61e8d5e84ad 100644
--- a/drivers/isdn/hysdn/hysdn_proclog.c
+++ b/drivers/isdn/hysdn/hysdn_proclog.c
@@ -173,27 +173,14 @@ hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t *off)
{
struct log_data *inf;
int len;
- struct proc_dir_entry *pde = PDE(file_inode(file));
- struct procdata *pd = NULL;
- hysdn_card *card;
+ hysdn_card *card = PDE_DATA(file_inode(file));
if (!*((struct log_data **) file->private_data)) {
+ struct procdata *pd = card->proclog;
if (file->f_flags & O_NONBLOCK)
return (-EAGAIN);
- /* sorry, but we need to search the card */
- card = card_root;
- while (card) {
- pd = card->proclog;
- if (pd->log == pde)
- break;
- card = card->next; /* search next entry */
- }
- if (card)
- interruptible_sleep_on(&(pd->rd_queue));
- else
- return (-EAGAIN);
-
+ interruptible_sleep_on(&(pd->rd_queue));
}
if (!(inf = *((struct log_data **) file->private_data)))
return (0);
@@ -215,27 +202,15 @@ hysdn_log_read(struct file *file, char __user *buf, size_t count, loff_t *off)
static int
hysdn_log_open(struct inode *ino, struct file *filep)
{
- hysdn_card *card;
- struct procdata *pd = NULL;
- unsigned long flags;
+ hysdn_card *card = PDE_DATA(ino);
mutex_lock(&hysdn_log_mutex);
- card = card_root;
- while (card) {
- pd = card->proclog;
- if (pd->log == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (!card) {
- mutex_unlock(&hysdn_log_mutex);
- return (-ENODEV); /* device is unknown/invalid */
- }
- filep->private_data = card; /* remember our own card */
-
if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE) {
/* write only access -> write log level only */
+ filep->private_data = card; /* remember our own card */
} else if ((filep->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) {
+ struct procdata *pd = card->proclog;
+ unsigned long flags;
/* read access -> log/debug read */
spin_lock_irqsave(&card->hysdn_lock, flags);
@@ -275,21 +250,13 @@ hysdn_log_close(struct inode *ino, struct file *filep)
} else {
/* read access -> log/debug read, mark one further file as closed */
- pd = NULL;
inf = *((struct log_data **) filep->private_data); /* get first log entry */
if (inf)
pd = (struct procdata *) inf->proc_ctrl; /* still entries there */
else {
/* no info available -> search card */
- card = card_root;
- while (card) {
- pd = card->proclog;
- if (pd->log == PDE(ino))
- break;
- card = card->next; /* search next entry */
- }
- if (card)
- pd = card->proclog; /* pointer to procfs log */
+ card = PDE_DATA(file_inode(filep));
+ pd = card->proclog; /* pointer to procfs log */
}
if (pd)
pd->if_used--; /* decrement interface usage count by one */
@@ -319,24 +286,12 @@ static unsigned int
hysdn_log_poll(struct file *file, poll_table *wait)
{
unsigned int mask = 0;
- struct proc_dir_entry *pde = PDE(file_inode(file));
- hysdn_card *card;
- struct procdata *pd = NULL;
+ hysdn_card *card = PDE_DATA(file_inode(file));
+ struct procdata *pd = card->proclog;
if ((file->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_WRITE)
return (mask); /* no polling for write supported */
- /* we need to search the card */
- card = card_root;
- while (card) {
- pd = card->proclog;
- if (pd->log == pde)
- break;
- card = card->next; /* search next entry */
- }
- if (!card)
- return (mask); /* card not found */
-
poll_wait(file, &(pd->rd_queue), wait);
if (*((struct log_data **) file->private_data))
@@ -373,9 +328,9 @@ hysdn_proclog_init(hysdn_card *card)
if ((pd = kzalloc(sizeof(struct procdata), GFP_KERNEL)) != NULL) {
sprintf(pd->log_name, "%s%d", PROC_LOG_BASENAME, card->myid);
- pd->log = proc_create(pd->log_name,
+ pd->log = proc_create_data(pd->log_name,
S_IFREG | S_IRUGO | S_IWUSR, hysdn_proc_entry,
- &log_fops);
+ &log_fops, card);
init_waitqueue_head(&(pd->rd_queue));
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index 1094667d8f31..9438d7ec3308 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -64,7 +64,6 @@ mISDN_open(struct inode *ino, struct file *filep)
dev->work = 0;
init_waitqueue_head(&dev->wait);
filep->private_data = dev;
- __module_get(THIS_MODULE);
return nonseekable_open(ino, filep);
}
@@ -72,19 +71,28 @@ static int
mISDN_close(struct inode *ino, struct file *filep)
{
struct mISDNtimerdev *dev = filep->private_data;
+ struct list_head *list = &dev->pending;
struct mISDNtimer *timer, *next;
if (*debug & DEBUG_TIMER)
printk(KERN_DEBUG "%s(%p,%p)\n", __func__, ino, filep);
- list_for_each_entry_safe(timer, next, &dev->pending, list) {
- del_timer(&timer->tl);
+
+ spin_lock_irq(&dev->lock);
+ while (!list_empty(list)) {
+ timer = list_first_entry(list, struct mISDNtimer, list);
+ spin_unlock_irq(&dev->lock);
+ del_timer_sync(&timer->tl);
+ spin_lock_irq(&dev->lock);
+ /* it might have been moved to ->expired */
+ list_del(&timer->list);
kfree(timer);
}
+ spin_unlock_irq(&dev->lock);
+
list_for_each_entry_safe(timer, next, &dev->expired, list) {
kfree(timer);
}
kfree(dev);
- module_put(THIS_MODULE);
return 0;
}
@@ -92,36 +100,41 @@ static ssize_t
mISDN_read(struct file *filep, char __user *buf, size_t count, loff_t *off)
{
struct mISDNtimerdev *dev = filep->private_data;
+ struct list_head *list = &dev->expired;
struct mISDNtimer *timer;
- u_long flags;
int ret = 0;
if (*debug & DEBUG_TIMER)
printk(KERN_DEBUG "%s(%p, %p, %d, %p)\n", __func__,
filep, buf, (int)count, off);
- if (list_empty(&dev->expired) && (dev->work == 0)) {
+ if (count < sizeof(int))
+ return -ENOSPC;
+
+ spin_lock_irq(&dev->lock);
+ while (list_empty(list) && (dev->work == 0)) {
+ spin_unlock_irq(&dev->lock);
if (filep->f_flags & O_NONBLOCK)
return -EAGAIN;
wait_event_interruptible(dev->wait, (dev->work ||
- !list_empty(&dev->expired)));
+ !list_empty(list)));
if (signal_pending(current))
return -ERESTARTSYS;
+ spin_lock_irq(&dev->lock);
}
- if (count < sizeof(int))
- return -ENOSPC;
if (dev->work)
dev->work = 0;
- if (!list_empty(&dev->expired)) {
- spin_lock_irqsave(&dev->lock, flags);
- timer = (struct mISDNtimer *)dev->expired.next;
+ if (!list_empty(list)) {
+ timer = list_first_entry(list, struct mISDNtimer, list);
list_del(&timer->list);
- spin_unlock_irqrestore(&dev->lock, flags);
+ spin_unlock_irq(&dev->lock);
if (put_user(timer->id, (int __user *)buf))
ret = -EFAULT;
else
ret = sizeof(int);
kfree(timer);
+ } else {
+ spin_unlock_irq(&dev->lock);
}
return ret;
}
@@ -153,7 +166,8 @@ dev_expire_timer(unsigned long data)
u_long flags;
spin_lock_irqsave(&timer->dev->lock, flags);
- list_move_tail(&timer->list, &timer->dev->expired);
+ if (timer->id >= 0)
+ list_move_tail(&timer->list, &timer->dev->expired);
spin_unlock_irqrestore(&timer->dev->lock, flags);
wake_up_interruptible(&timer->dev->wait);
}
@@ -162,7 +176,6 @@ static int
misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
{
int id;
- u_long flags;
struct mISDNtimer *timer;
if (!timeout) {
@@ -173,19 +186,16 @@ misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
timer = kzalloc(sizeof(struct mISDNtimer), GFP_KERNEL);
if (!timer)
return -ENOMEM;
- spin_lock_irqsave(&dev->lock, flags);
- timer->id = dev->next_id++;
+ timer->dev = dev;
+ setup_timer(&timer->tl, dev_expire_timer, (long)timer);
+ spin_lock_irq(&dev->lock);
+ id = timer->id = dev->next_id++;
if (dev->next_id < 0)
dev->next_id = 1;
list_add_tail(&timer->list, &dev->pending);
- spin_unlock_irqrestore(&dev->lock, flags);
- timer->dev = dev;
- timer->tl.data = (long)timer;
- timer->tl.function = dev_expire_timer;
- init_timer(&timer->tl);
timer->tl.expires = jiffies + ((HZ * (u_long)timeout) / 1000);
add_timer(&timer->tl);
- id = timer->id;
+ spin_unlock_irq(&dev->lock);
}
return id;
}
@@ -193,26 +203,21 @@ misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
static int
misdn_del_timer(struct mISDNtimerdev *dev, int id)
{
- u_long flags;
struct mISDNtimer *timer;
- int ret = 0;
- spin_lock_irqsave(&dev->lock, flags);
+ spin_lock_irq(&dev->lock);
list_for_each_entry(timer, &dev->pending, list) {
if (timer->id == id) {
list_del_init(&timer->list);
- /* RED-PEN AK: race -- timer can be still running on
- * other CPU. Needs reference count I think
- */
- del_timer(&timer->tl);
- ret = timer->id;
+ timer->id = -1;
+ spin_unlock_irq(&dev->lock);
+ del_timer_sync(&timer->tl);
kfree(timer);
- goto unlock;
+ return id;
}
}
-unlock:
- spin_unlock_irqrestore(&dev->lock, flags);
- return ret;
+ spin_unlock_irq(&dev->lock);
+ return 0;
}
static long
@@ -262,6 +267,7 @@ mISDN_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
}
static const struct file_operations mISDN_fops = {
+ .owner = THIS_MODULE,
.read = mISDN_read,
.poll = mISDN_poll,
.unlocked_ioctl = mISDN_ioctl,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 08:48:39 +0100