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sysfs: fix build errors: uevent with CONFIG_SYSFS=n
Fix source files to build with CONFIG_SYSFS=n. module_subsys is not available. SYSFS=n, MODULES=y: T:y SYSFS=n, MODULES=n: T:y SYSFS=y, MODULES=y: T:y SYSFS=y, MODULES=n: T:y Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Randy Dunlap
Greg Kroah-Hartman
parent
e4a3c3f095
commit
ef665c1a06
@ -76,8 +76,6 @@ void sort_extable(struct exception_table_entry *start,
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struct exception_table_entry *finish);
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void sort_main_extable(void);
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extern struct subsystem module_subsys;
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#ifdef MODULE
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#define MODULE_GENERIC_TABLE(gtype,name) \
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extern const struct gtype##_id __mod_##gtype##_table \
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@ -467,10 +465,6 @@ int unregister_module_notifier(struct notifier_block * nb);
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extern void print_modules(void);
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struct device_driver;
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void module_add_driver(struct module *, struct device_driver *);
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void module_remove_driver(struct device_driver *);
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#else /* !CONFIG_MODULES... */
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#define EXPORT_SYMBOL(sym)
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#define EXPORT_SYMBOL_GPL(sym)
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@ -568,18 +562,59 @@ static inline void print_modules(void)
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{
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}
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#endif /* CONFIG_MODULES */
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struct device_driver;
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#ifdef CONFIG_SYSFS
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struct module;
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static inline void module_add_driver(struct module *module, struct device_driver *driver)
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extern struct subsystem module_subsys;
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int mod_sysfs_init(struct module *mod);
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int mod_sysfs_setup(struct module *mod,
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struct kernel_param *kparam,
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unsigned int num_params);
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int module_add_modinfo_attrs(struct module *mod);
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void module_remove_modinfo_attrs(struct module *mod);
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#else /* !CONFIG_SYSFS */
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static inline int mod_sysfs_init(struct module *mod)
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{
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return 0;
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}
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static inline void module_remove_driver(struct device_driver *driver)
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static inline int mod_sysfs_setup(struct module *mod,
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struct kernel_param *kparam,
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unsigned int num_params)
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{
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return 0;
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}
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#endif /* CONFIG_MODULES */
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static inline int module_add_modinfo_attrs(struct module *mod)
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{
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return 0;
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}
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static inline void module_remove_modinfo_attrs(struct module *mod)
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{ }
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#endif /* CONFIG_SYSFS */
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#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
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void module_add_driver(struct module *mod, struct device_driver *drv);
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void module_remove_driver(struct device_driver *drv);
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#else /* not both CONFIG_SYSFS && CONFIG_MODULES */
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static inline void module_add_driver(struct module *mod, struct device_driver *drv)
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{ }
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static inline void module_remove_driver(struct device_driver *drv)
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{ }
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#endif
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#define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x)
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@ -169,10 +169,22 @@ extern int param_get_string(char *buffer, struct kernel_param *kp);
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struct module;
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#if defined(CONFIG_SYSFS) && defined(CONFIG_MODULES)
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extern int module_param_sysfs_setup(struct module *mod,
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struct kernel_param *kparam,
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unsigned int num_params);
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extern void module_param_sysfs_remove(struct module *mod);
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#else
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static inline int module_param_sysfs_setup(struct module *mod,
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struct kernel_param *kparam,
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unsigned int num_params)
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{
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return 0;
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}
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static inline void module_param_sysfs_remove(struct module *mod)
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{ }
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#endif
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#endif /* _LINUX_MODULE_PARAMS_H */
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@ -1074,7 +1074,8 @@ static inline void remove_sect_attrs(struct module *mod)
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}
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#endif /* CONFIG_KALLSYMS */
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static int module_add_modinfo_attrs(struct module *mod)
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#ifdef CONFIG_SYSFS
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int module_add_modinfo_attrs(struct module *mod)
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{
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struct module_attribute *attr;
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struct module_attribute *temp_attr;
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@ -1100,7 +1101,7 @@ static int module_add_modinfo_attrs(struct module *mod)
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return error;
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}
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static void module_remove_modinfo_attrs(struct module *mod)
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void module_remove_modinfo_attrs(struct module *mod)
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{
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struct module_attribute *attr;
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int i;
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@ -1115,8 +1116,10 @@ static void module_remove_modinfo_attrs(struct module *mod)
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}
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kfree(mod->modinfo_attrs);
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}
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#endif
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static int mod_sysfs_init(struct module *mod)
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#ifdef CONFIG_SYSFS
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int mod_sysfs_init(struct module *mod)
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{
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int err;
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@ -1139,7 +1142,7 @@ out:
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return err;
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}
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static int mod_sysfs_setup(struct module *mod,
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int mod_sysfs_setup(struct module *mod,
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struct kernel_param *kparam,
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unsigned int num_params)
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{
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@ -1175,6 +1178,7 @@ out_unreg:
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out:
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return err;
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}
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#endif
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static void mod_kobject_remove(struct module *mod)
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{
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@ -2348,6 +2352,7 @@ void print_modules(void)
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printk("\n");
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}
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#ifdef CONFIG_SYSFS
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static char *make_driver_name(struct device_driver *drv)
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{
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char *driver_name;
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@ -2422,6 +2427,7 @@ void module_remove_driver(struct device_driver *drv)
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}
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}
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EXPORT_SYMBOL(module_remove_driver);
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#endif
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#ifdef CONFIG_MODVERSIONS
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/* Generate the signature for struct module here, too, for modversions. */
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@ -30,8 +30,6 @@
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#define DEBUGP(fmt, a...)
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#endif
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static struct kobj_type module_ktype;
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static inline char dash2underscore(char c)
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{
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if (c == '-')
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@ -391,6 +389,7 @@ struct module_param_attrs
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struct param_attribute attrs[0];
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};
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#ifdef CONFIG_SYSFS
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#define to_param_attr(n) container_of(n, struct param_attribute, mattr);
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static ssize_t param_attr_show(struct module_attribute *mattr,
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@ -426,6 +425,7 @@ static ssize_t param_attr_store(struct module_attribute *mattr,
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return len;
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return err;
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}
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#endif
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#ifdef CONFIG_MODULES
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#define __modinit
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@ -433,6 +433,7 @@ static ssize_t param_attr_store(struct module_attribute *mattr,
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#define __modinit __init
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#endif
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#ifdef CONFIG_SYSFS
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/*
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* param_sysfs_setup - setup sysfs support for one module or KBUILD_MODNAME
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* @mk: struct module_kobject (contains parent kobject)
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@ -500,9 +501,7 @@ param_sysfs_setup(struct module_kobject *mk,
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return mp;
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}
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#ifdef CONFIG_MODULES
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/*
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* module_param_sysfs_setup - setup sysfs support for one module
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* @mod: module
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@ -625,7 +624,6 @@ static void __init param_sysfs_builtin(void)
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/* module-related sysfs stuff */
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#ifdef CONFIG_SYSFS
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#define to_module_attr(n) container_of(n, struct module_attribute, attr);
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#define to_module_kobject(n) container_of(n, struct module_kobject, kobj);
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@ -673,6 +671,8 @@ static struct sysfs_ops module_sysfs_ops = {
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.store = module_attr_store,
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};
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static struct kobj_type module_ktype;
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static int uevent_filter(struct kset *kset, struct kobject *kobj)
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{
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struct kobj_type *ktype = get_ktype(kobj);
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@ -686,19 +686,12 @@ static struct kset_uevent_ops module_uevent_ops = {
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.filter = uevent_filter,
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};
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#else
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static struct sysfs_ops module_sysfs_ops = {
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.show = NULL,
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.store = NULL,
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};
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#endif
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decl_subsys(module, &module_ktype, &module_uevent_ops);
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static struct kobj_type module_ktype = {
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.sysfs_ops = &module_sysfs_ops,
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};
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decl_subsys(module, &module_ktype, &module_uevent_ops);
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/*
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* param_sysfs_init - wrapper for built-in params support
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*/
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@ -720,6 +713,15 @@ static int __init param_sysfs_init(void)
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}
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subsys_initcall(param_sysfs_init);
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#else
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#if 0
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static struct sysfs_ops module_sysfs_ops = {
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.show = NULL,
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.store = NULL,
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};
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#endif
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#endif
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EXPORT_SYMBOL(param_set_byte);
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EXPORT_SYMBOL(param_get_byte);
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EXPORT_SYMBOL(param_set_short);
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