diff options
Diffstat (limited to 'drivers/input/gameport')
-rw-r--r-- | drivers/input/gameport/gameport.c | 30 | ||||
-rw-r--r-- | drivers/input/gameport/ns558.c | 13 |
2 files changed, 22 insertions, 21 deletions
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c index b765a15..36644bf 100644 --- a/drivers/input/gameport/gameport.c +++ b/drivers/input/gameport/gameport.c @@ -22,6 +22,7 @@ #include <linux/delay.h> #include <linux/kthread.h> #include <linux/sched.h> /* HZ */ +#include <linux/mutex.h> /*#include <asm/io.h>*/ @@ -43,10 +44,10 @@ EXPORT_SYMBOL(gameport_start_polling); EXPORT_SYMBOL(gameport_stop_polling); /* - * gameport_sem protects entire gameport subsystem and is taken + * gameport_mutex protects entire gameport subsystem and is taken * every time gameport port or driver registrered or unregistered. */ -static DECLARE_MUTEX(gameport_sem); +static DEFINE_MUTEX(gameport_mutex); static LIST_HEAD(gameport_list); @@ -265,6 +266,7 @@ static void gameport_queue_event(void *object, struct module *owner, if ((event = kmalloc(sizeof(struct gameport_event), GFP_ATOMIC))) { if (!try_module_get(owner)) { printk(KERN_WARNING "gameport: Can't get module reference, dropping event %d\n", event_type); + kfree(event); goto out; } @@ -342,7 +344,7 @@ static void gameport_handle_event(void) struct gameport_event *event; struct gameport_driver *gameport_drv; - down(&gameport_sem); + mutex_lock(&gameport_mutex); /* * Note that we handle only one event here to give swsusp @@ -379,7 +381,7 @@ static void gameport_handle_event(void) gameport_free_event(event); } - up(&gameport_sem); + mutex_unlock(&gameport_mutex); } /* @@ -464,7 +466,7 @@ static ssize_t gameport_rebind_driver(struct device *dev, struct device_attribut struct device_driver *drv; int retval; - retval = down_interruptible(&gameport_sem); + retval = mutex_lock_interruptible(&gameport_mutex); if (retval) return retval; @@ -484,7 +486,7 @@ static ssize_t gameport_rebind_driver(struct device *dev, struct device_attribut retval = -EINVAL; } - up(&gameport_sem); + mutex_unlock(&gameport_mutex); return retval; } @@ -521,7 +523,7 @@ static void gameport_init_port(struct gameport *gameport) __module_get(THIS_MODULE); - init_MUTEX(&gameport->drv_sem); + mutex_init(&gameport->drv_mutex); device_initialize(&gameport->dev); snprintf(gameport->dev.bus_id, sizeof(gameport->dev.bus_id), "gameport%lu", (unsigned long)atomic_inc_return(&gameport_no) - 1); @@ -661,10 +663,10 @@ void __gameport_register_port(struct gameport *gameport, struct module *owner) */ void gameport_unregister_port(struct gameport *gameport) { - down(&gameport_sem); + mutex_lock(&gameport_mutex); gameport_disconnect_port(gameport); gameport_destroy_port(gameport); - up(&gameport_sem); + mutex_unlock(&gameport_mutex); } @@ -717,7 +719,7 @@ void gameport_unregister_driver(struct gameport_driver *drv) { struct gameport *gameport; - down(&gameport_sem); + mutex_lock(&gameport_mutex); drv->ignore = 1; /* so gameport_find_driver ignores it */ start_over: @@ -731,7 +733,7 @@ start_over: } driver_unregister(&drv->driver); - up(&gameport_sem); + mutex_unlock(&gameport_mutex); } static int gameport_bus_match(struct device *dev, struct device_driver *drv) @@ -743,9 +745,9 @@ static int gameport_bus_match(struct device *dev, struct device_driver *drv) static void gameport_set_drv(struct gameport *gameport, struct gameport_driver *drv) { - down(&gameport->drv_sem); + mutex_lock(&gameport->drv_mutex); gameport->drv = drv; - up(&gameport->drv_sem); + mutex_unlock(&gameport->drv_mutex); } int gameport_open(struct gameport *gameport, struct gameport_driver *drv, int mode) @@ -796,5 +798,5 @@ static void __exit gameport_exit(void) kthread_stop(gameport_task); } -module_init(gameport_init); +subsys_initcall(gameport_init); module_exit(gameport_exit); diff --git a/drivers/input/gameport/ns558.c b/drivers/input/gameport/ns558.c index d2e55dc..3e2d28f 100644 --- a/drivers/input/gameport/ns558.c +++ b/drivers/input/gameport/ns558.c @@ -252,14 +252,14 @@ static struct pnp_driver ns558_pnp_driver; #endif -static int pnp_registered = 0; - static int __init ns558_init(void) { int i = 0; + int error; - if (pnp_register_driver(&ns558_pnp_driver) >= 0) - pnp_registered = 1; + error = pnp_register_driver(&ns558_pnp_driver); + if (error && error != -ENODEV) /* should be ENOSYS really */ + return error; /* * Probe ISA ports after PnP, so that PnP ports that are already @@ -270,7 +270,7 @@ static int __init ns558_init(void) while (ns558_isa_portlist[i]) ns558_isa_probe(ns558_isa_portlist[i++]); - return (list_empty(&ns558_list) && !pnp_registered) ? -ENODEV : 0; + return list_empty(&ns558_list) && error ? -ENODEV : 0; } static void __exit ns558_exit(void) @@ -283,8 +283,7 @@ static void __exit ns558_exit(void) kfree(ns558); } - if (pnp_registered) - pnp_unregister_driver(&ns558_pnp_driver); + pnp_unregister_driver(&ns558_pnp_driver); } module_init(ns558_init); |