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[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>
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@ -33,6 +33,7 @@
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#include <asm/uaccess.h>
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#include <linux/smp_lock.h>
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#include <linux/delay.h>
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#include <linux/mutex.h>
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#include <net/irda/irda.h>
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#include <net/irda/irda_device.h>
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@ -338,7 +339,7 @@ static inline void irtty_stop_receiver(struct tty_struct *tty, int stop)
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/*****************************************************************/
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/* serialize ldisc open/close with sir_dev */
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static DECLARE_MUTEX(irtty_sem);
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static DEFINE_MUTEX(irtty_mutex);
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/* notifier from sir_dev when irda% device gets opened (ifup) */
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@ -348,11 +349,11 @@ static int irtty_start_dev(struct sir_dev *dev)
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struct tty_struct *tty;
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/* serialize with ldisc open/close */
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down(&irtty_sem);
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mutex_lock(&irtty_mutex);
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priv = dev->priv;
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if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
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up(&irtty_sem);
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mutex_unlock(&irtty_mutex);
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return -ESTALE;
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}
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@ -363,7 +364,7 @@ static int irtty_start_dev(struct sir_dev *dev)
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/* Make sure we can receive more data */
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irtty_stop_receiver(tty, FALSE);
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up(&irtty_sem);
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mutex_unlock(&irtty_mutex);
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return 0;
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}
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@ -375,11 +376,11 @@ static int irtty_stop_dev(struct sir_dev *dev)
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struct tty_struct *tty;
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/* serialize with ldisc open/close */
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down(&irtty_sem);
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mutex_lock(&irtty_mutex);
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priv = dev->priv;
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if (unlikely(!priv || priv->magic!=IRTTY_MAGIC)) {
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up(&irtty_sem);
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mutex_unlock(&irtty_mutex);
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return -ESTALE;
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}
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@ -390,7 +391,7 @@ static int irtty_stop_dev(struct sir_dev *dev)
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if (tty->driver->stop)
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tty->driver->stop(tty);
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up(&irtty_sem);
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mutex_unlock(&irtty_mutex);
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return 0;
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}
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@ -514,13 +515,13 @@ static int irtty_open(struct tty_struct *tty)
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priv->dev = dev;
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/* serialize with start_dev - in case we were racing with ifup */
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down(&irtty_sem);
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mutex_lock(&irtty_mutex);
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dev->priv = priv;
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tty->disc_data = priv;
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tty->receive_room = 65536;
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up(&irtty_sem);
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mutex_unlock(&irtty_mutex);
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IRDA_DEBUG(0, "%s - %s: irda line discipline opened\n", __FUNCTION__, tty->name);
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@ -16,6 +16,7 @@
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#include <linux/init.h>
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#include <linux/smp_lock.h>
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#include <linux/kmod.h>
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#include <linux/mutex.h>
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#include <net/irda/irda.h>
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@ -28,7 +29,7 @@
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*/
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static LIST_HEAD(dongle_list); /* list of registered dongle drivers */
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static DECLARE_MUTEX(dongle_list_lock); /* protects the list */
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static DEFINE_MUTEX(dongle_list_lock); /* protects the list */
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int irda_register_dongle(struct dongle_driver *new)
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{
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@ -38,25 +39,25 @@ int irda_register_dongle(struct dongle_driver *new)
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IRDA_DEBUG(0, "%s : registering dongle \"%s\" (%d).\n",
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__FUNCTION__, new->driver_name, new->type);
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down(&dongle_list_lock);
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mutex_lock(&dongle_list_lock);
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list_for_each(entry, &dongle_list) {
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drv = list_entry(entry, struct dongle_driver, dongle_list);
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if (new->type == drv->type) {
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up(&dongle_list_lock);
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mutex_unlock(&dongle_list_lock);
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return -EEXIST;
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}
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}
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list_add(&new->dongle_list, &dongle_list);
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up(&dongle_list_lock);
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mutex_unlock(&dongle_list_lock);
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return 0;
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}
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EXPORT_SYMBOL(irda_register_dongle);
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int irda_unregister_dongle(struct dongle_driver *drv)
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{
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down(&dongle_list_lock);
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mutex_lock(&dongle_list_lock);
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list_del(&drv->dongle_list);
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up(&dongle_list_lock);
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mutex_unlock(&dongle_list_lock);
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return 0;
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}
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EXPORT_SYMBOL(irda_unregister_dongle);
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@ -75,7 +76,7 @@ int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type)
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return -EBUSY;
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/* serialize access to the list of registered dongles */
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down(&dongle_list_lock);
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mutex_lock(&dongle_list_lock);
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list_for_each(entry, &dongle_list) {
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drv = list_entry(entry, struct dongle_driver, dongle_list);
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@ -109,14 +110,14 @@ int sirdev_get_dongle(struct sir_dev *dev, IRDA_DONGLE type)
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if (!drv->open || (err=drv->open(dev))!=0)
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goto out_reject; /* failed to open driver */
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up(&dongle_list_lock);
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mutex_unlock(&dongle_list_lock);
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return 0;
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out_reject:
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dev->dongle_drv = NULL;
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module_put(drv->owner);
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out_unlock:
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up(&dongle_list_lock);
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mutex_unlock(&dongle_list_lock);
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return err;
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}
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