[IRDA] sem2mutex: drivers/net/irda
Semaphore to mutex conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Arjan van de Ven <arjan@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
1533306186
commit
d4ccd08cdf
2 changed files with 20 additions and 18 deletions
|
@ -33,6 +33,7 @@
|
|||
#include <asm/uaccess.h>
|
||||
#include <linux/smp_lock.h>
|
||||
#include <linux/delay.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
#include <net/irda/irda.h>
|
||||
#include <net/irda/irda_device.h>
|
||||
|
@ -338,7 +339,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
|
|||
/*****************************************************************/
|
||||
|
||||
/* serialize ldisc open/close with sir_dev */
|
||||
static DECLARE_MUTEX(irtty_sem);
|
||||
static DEFINE_MUTEX(irtty_mutex);
|
||||
|
||||
/* notifier from sir_dev when irda% device gets opened (ifup) */
|
||||
|
||||
|
@ -348,11 +349,11 @@ static int irtty_start_dev(struct sir_dev *dev)
|
|||
struct tty_struct *tty;
|
||||
|
||||
/* serialize with ldisc open/close */
|
||||
down(&irtty_sem);
|
||||
mutex_lock(&irtty_mutex);
|
||||
|
||||
priv = dev->priv;
|
||||
if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
|
||||
up(&irtty_sem);
|
||||
mutex_unlock(&irtty_mutex);
|
||||
return -ESTALE;
|
||||
}
|
||||
|
||||
|
@ -363,7 +364,7 @@ static int irtty_start_dev(struct sir_dev *dev)
|
|||
/* Make sure we can receive more data */
|
||||
irtty_stop_receiver(tty, FALSE);
|
||||
|
||||
up(&irtty_sem);
|
||||
mutex_unlock(&irtty_mutex);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -375,11 +376,11 @@ static int irtty_stop_dev(struct sir_dev *dev)
|
|||
struct tty_struct *tty;
|
||||
|
||||
/* serialize with ldisc open/close */
|
||||
down(&irtty_sem);
|
||||
mutex_lock(&irtty_mutex);
|
||||
|
||||
priv = dev->priv;
|
||||
if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
|
||||
up(&irtty_sem);
|
||||
mutex_unlock(&irtty_mutex);
|
||||
return -ESTALE;
|
||||
}
|
||||
|
||||
|
@ -390,7 +391,7 @@ static int irtty_stop_dev(struct sir_dev *dev)
|
|||
if (tty->driver->stop)
|
||||
tty->driver->stop(tty);
|
||||
|
||||
up(&irtty_sem);
|
||||
mutex_unlock(&irtty_mutex);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -514,13 +515,13 @@ static int irtty_open(struct tty_struct *tty)
|
|||
priv->dev = dev;
|
||||
|
||||
/* serialize with start_dev - in case we were racing with ifup */
|
||||
down(&irtty_sem);
|
||||
mutex_lock(&irtty_mutex);
|
||||
|
||||
dev->priv = priv;
|
||||
tty->disc_data = priv;
|
||||
tty->receive_room = 65536;
|
||||
|
||||
up(&irtty_sem);
|
||||
mutex_unlock(&irtty_mutex);
|
||||
|
||||
IRDA_DEBUG(0, "%s - %s: irda line discipline opened\n", __FUNCTION__, tty->name);
|
||||
|
||||
|
|
|
@ -16,6 +16,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/smp_lock.h>
|
||||
#include <linux/kmod.h>
|
||||
#include <linux/mutex.h>
|
||||
|
||||
#include <net/irda/irda.h>
|
||||
|
||||
|
@ -28,7 +29,7 @@
|
|||
*/
|
||||
|
||||
static LIST_HEAD(dongle_list); /* list of registered dongle drivers */
|
||||
static DECLARE_MUTEX(dongle_list_lock); /* protects the list */
|
||||
static DEFINE_MUTEX(dongle_list_lock); /* protects the list */
|
||||
|
||||
int irda_register_dongle(struct dongle_driver *new)
|
||||
{
|
||||
|
@ -38,25 +39,25 @@ int irda_register_dongle(struct dongle_driver *new)
|
|||
IRDA_DEBUG(0, "%s : registering dongle \"%s\" (%d).\n",
|
||||
__FUNCTION__, new->driver_name, new->type);
|
||||
|
||||
down(&dongle_list_lock);
|
||||
mutex_lock(&dongle_list_lock);
|
||||
list_for_each(entry, &dongle_list) {
|
||||
drv = list_entry(entry, struct dongle_driver, dongle_list);
|
||||
if (new->type == drv->type) {
|
||||
up(&dongle_list_lock);
|
||||
mutex_unlock(&dongle_list_lock);
|
||||
return -EEXIST;
|
||||
}
|
||||
}
|
||||
list_add(&new->dongle_list, &dongle_list);
|
||||
up(&dongle_list_lock);
|
||||
mutex_unlock(&dongle_list_lock);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(irda_register_dongle);
|
||||
|
||||
int irda_unregister_dongle(struct dongle_driver *drv)
|
||||
{
|
||||
down(&dongle_list_lock);
|
||||
mutex_lock(&dongle_list_lock);
|
||||
list_del(&drv->dongle_list);
|
||||
up(&dongle_list_lock);
|
||||
mutex_unlock(&dongle_list_lock);
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(irda_unregister_dongle);
|
||||
|
@ -75,7 +76,7 @@ int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type)
|
|||
return -EBUSY;
|
||||
|
||||
/* serialize access to the list of registered dongles */
|
||||
down(&dongle_list_lock);
|
||||
mutex_lock(&dongle_list_lock);
|
||||
|
||||
list_for_each(entry, &dongle_list) {
|
||||
drv = list_entry(entry, struct dongle_driver, dongle_list);
|
||||
|
@ -109,14 +110,14 @@ int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type)
|
|||
if (!drv->open || (err=drv->open(dev))!=0)
|
||||
goto out_reject; /* failed to open driver */
|
||||
|
||||
up(&dongle_list_lock);
|
||||
mutex_unlock(&dongle_list_lock);
|
||||
return 0;
|
||||
|
||||
out_reject:
|
||||
dev->dongle_drv = NULL;
|
||||
module_put(drv->owner);
|
||||
out_unlock:
|
||||
up(&dongle_list_lock);
|
||||
mutex_unlock(&dongle_list_lock);
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue