From: Dominik Brodowski <linux@dominikbrodowski.net> Date: Mon, 27 Jun 2005 23:28:54 +0000 (-0700) Subject: [PATCH] pcmcia: release_class X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=378a33a686d457fa5a38d6ad134f5385a9cc7860;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [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> --- diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c index 0ff4d6ec8b77..e82859d3227a 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);