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[PATCH] pcmcia: release_class

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Properly wait for the class refcount to reach zero.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dominik Brodowski 2005-06-27 16:28:54 -07:00 committed by Linus Torvalds
parent 3448139b41
commit 378a33a686
1 changed files with 15 additions and 1 deletions
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16
drivers/pcmcia/cs.c
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@ -903,17 +903,29 @@ static int pcmcia_socket_hotplug(struct class_device *dev, char **envp,
}
static struct completion pcmcia_unload;
static void pcmcia_release_socket_class(struct class *data)
{
complete(&pcmcia_unload);
}
struct class pcmcia_socket_class = {
.name = "pcmcia_socket",
.hotplug = pcmcia_socket_hotplug,
.release = pcmcia_release_socket,
.class_release = pcmcia_release_socket_class,
};
EXPORT_SYMBOL(pcmcia_socket_class);
static int __init init_pcmcia_cs(void)
{
int ret = class_register(&pcmcia_socket_class);
int ret;
init_completion(&pcmcia_unload);
ret = class_register(&pcmcia_socket_class);
if (ret)
return (ret);
return class_interface_register(&pccard_sysfs_interface);
@ -923,6 +935,8 @@ static void __exit exit_pcmcia_cs(void)
{
class_interface_unregister(&pccard_sysfs_interface);
class_unregister(&pcmcia_socket_class);
wait_for_completion(&pcmcia_unload);
}
subsys_initcall(init_pcmcia_cs);