diff options
| author | Dominik Brodowski <linux@dominikbrodowski.net> | 2005-06-27 16:28:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-27 18:03:20 -0700 |
| commit | 378a33a686d457fa5a38d6ad134f5385a9cc7860 (patch) | |
| tree | d3773b8cc8dec6580b7d2b7327766e9cd8738e5d /drivers/pcmcia/cs.c | |
| parent | 3448139b41b9e3b8799eed7d427cd50789dadc3e (diff) | |
[PATCH] pcmcia: release_class
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>
Diffstat (limited to 'drivers/pcmcia/cs.c')
| -rw-r--r-- | drivers/pcmcia/cs.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 0ff4d6ec8b7..e82859d3227 100644 --- a/drivers/pcmcia/cs.c +++ b/drivers/pcmcia/cs.c @@ -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); |