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| author | Matthias Kaehlcke <matthias.kaehlcke@gmail.com> | 2007-04-26 09:12:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-04-27 19:57:34 +0200 |
| commit | 61a2f59af6c8ffd9d6dd53f0da32563d4434e790 (patch) | |
| tree | 8e594a846d554c83d27d805d7b233daefbfc545a /drivers/base/attribute_container.c | |
| parent | mod_sysfs_setup() doesn't return errno when kobject_add_dir() failure occurs (diff) | |
| download | linux-61a2f59af6c8ffd9d6dd53f0da32563d4434e790.tar.xz linux-61a2f59af6c8ffd9d6dd53f0da32563d4434e790.zip | |
drivers/base/attribute_container.c: use mutex instead of binary semaphore
use mutex instead of binary semaphore in
drivers/base/attribute_container.c
Signed-off-by: Matthias Kaehlcke <matthias.kaehlcke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/attribute_container.c')
| -rw-r--r-- | drivers/base/attribute_container.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/base/attribute_container.c b/drivers/base/attribute_container.c index 22220733f76f..1ec0654665cf 100644 --- a/drivers/base/attribute_container.c +++ b/drivers/base/attribute_container.c @@ -62,7 +62,7 @@ EXPORT_SYMBOL_GPL(attribute_container_classdev_to_container); static struct list_head attribute_container_list; -static DECLARE_MUTEX(attribute_container_mutex); +static DEFINE_MUTEX(attribute_container_mutex); /** * attribute_container_register - register an attribute container @@ -77,9 +77,9 @@ attribute_container_register(struct attribute_container *cont) klist_init(&cont->containers,internal_container_klist_get, internal_container_klist_put); - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); list_add_tail(&cont->node, &attribute_container_list); - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); return 0; } @@ -94,7 +94,7 @@ int attribute_container_unregister(struct attribute_container *cont) { int retval = -EBUSY; - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); spin_lock(&cont->containers.k_lock); if (!list_empty(&cont->containers.k_list)) goto out; @@ -102,7 +102,7 @@ attribute_container_unregister(struct attribute_container *cont) list_del(&cont->node); out: spin_unlock(&cont->containers.k_lock); - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); return retval; } @@ -145,7 +145,7 @@ attribute_container_add_device(struct device *dev, { struct attribute_container *cont; - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; @@ -173,7 +173,7 @@ attribute_container_add_device(struct device *dev, attribute_container_add_class_device(&ic->classdev); klist_add_tail(&ic->node, &cont->containers); } - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); } /* FIXME: can't break out of this unless klist_iter_exit is also @@ -211,7 +211,7 @@ attribute_container_remove_device(struct device *dev, { struct attribute_container *cont; - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; struct klist_iter iter; @@ -234,7 +234,7 @@ attribute_container_remove_device(struct device *dev, } } } - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); } /** @@ -255,7 +255,7 @@ attribute_container_device_trigger(struct device *dev, { struct attribute_container *cont; - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { struct internal_container *ic; struct klist_iter iter; @@ -273,7 +273,7 @@ attribute_container_device_trigger(struct device *dev, fn(cont, dev, &ic->classdev); } } - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); } /** @@ -295,12 +295,12 @@ attribute_container_trigger(struct device *dev, { struct attribute_container *cont; - down(&attribute_container_mutex); + mutex_lock(&attribute_container_mutex); list_for_each_entry(cont, &attribute_container_list, node) { if (cont->match(cont, dev)) fn(cont, dev); } - up(&attribute_container_mutex); + mutex_unlock(&attribute_container_mutex); } /** |