X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Ffilesystems%2Fconfigfs%2Fconfigfs_example.c;h=e56d49264b3938201e8bc8689157b8b66040f883;hb=c2dc1ad582196208a2f990eb0230eb922046c684;hp=f3c6e4946f983a3e10a8b61ae9b0975440f453fa;hpb=b8c475be7bf9b79e6417c08d7a921b2e8cb04258;p=pandora-kernel.git diff --git a/Documentation/filesystems/configfs/configfs_example.c b/Documentation/filesystems/configfs/configfs_example.c index f3c6e4946f98..e56d49264b39 100644 --- a/Documentation/filesystems/configfs/configfs_example.c +++ b/Documentation/filesystems/configfs/configfs_example.c @@ -264,6 +264,15 @@ static struct config_item_type simple_child_type = { }; +struct simple_children { + struct config_group group; +}; + +static inline struct simple_children *to_simple_children(struct config_item *item) +{ + return item ? container_of(to_config_group(item), struct simple_children, group) : NULL; +} + static struct config_item *simple_children_make_item(struct config_group *group, const char *name) { struct simple_child *simple_child; @@ -304,7 +313,13 @@ static ssize_t simple_children_attr_show(struct config_item *item, "items have only one attribute that is readable and writeable.\n"); } +static void simple_children_release(struct config_item *item) +{ + kfree(to_simple_children(item)); +} + static struct configfs_item_operations simple_children_item_ops = { + .release = simple_children_release, .show_attribute = simple_children_attr_show, }; @@ -320,6 +335,7 @@ static struct config_item_type simple_children_type = { .ct_item_ops = &simple_children_item_ops, .ct_group_ops = &simple_children_group_ops, .ct_attrs = simple_children_attrs, + .ct_owner = THIS_MODULE, }; static struct configfs_subsystem simple_children_subsys = { @@ -344,10 +360,6 @@ static struct configfs_subsystem simple_children_subsys = { * children of its own. */ -struct simple_children { - struct config_group group; -}; - static struct config_group *group_children_make_group(struct config_group *group, const char *name) { struct simple_children *simple_children; @@ -403,6 +415,7 @@ static struct config_item_type group_children_type = { .ct_item_ops = &group_children_item_ops, .ct_group_ops = &group_children_group_ops, .ct_attrs = group_children_attrs, + .ct_owner = THIS_MODULE, }; static struct configfs_subsystem group_children_subsys = { @@ -440,7 +453,7 @@ static int __init configfs_example_init(void) subsys = example_subsys[i]; config_group_init(&subsys->su_group); - init_MUTEX(&subsys->su_sem); + mutex_init(&subsys->su_mutex); ret = configfs_register_subsystem(subsys); if (ret) { printk(KERN_ERR "Error %d while registering subsystem %s\n",