lcds: Remove old unused lcd init syscalls

include/linux/syscalls.h

@@ -898,7 +898,4 @@ asmlinkage long sys_copy_file_range(int fd_in, loff_t __user *off_in,
 				    size_t len, unsigned int flags);
 
 asmlinkage long sys_mlock2(unsigned long start, size_t len, int flags);
-
-asmlinkage long sys_init_lcd(void __user *umod, unsigned long len,
-				const char __user *uargs);
 #endif

kernel/module.c

@@ -3805,165 +3805,6 @@ static int load_module(struct load_info *info, const char __user *uargs,
 	return err;
 }
 
-#ifdef CONFIG_LCD
-static int load_lcd(struct load_info *info, const char __user *uargs,
-		       int flags)
-{
-	struct lcd * lcd;
-	struct module *mod;
-	long err;
-
-	err = module_sig_check(info);
-	if (err)
-		goto free_copy;
-
-	err = elf_header_check(info);
-	if (err)
-		goto free_copy;
-
-	/* Figure out module layout, and allocate all the memory. */
-	mod = layout_and_allocate(info, flags, for_lcd);
-	if (IS_ERR(mod)) {
-		err = PTR_ERR(mod);
-		goto free_copy;
-	}
-
-	/* Reserve our place in the list. */
-	err = add_unformed_module(mod);
-	if (err)
-		goto free_module;
-
-#ifdef CONFIG_MODULE_SIG
-	mod->sig_ok = info->sig_ok;
-	if (!mod->sig_ok) {
-		printk_once(KERN_NOTICE
-			    "%s: module verification failed: signature and/or"
-			    " required key missing - tainting kernel\n",
-			    mod->name);
-		add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_STILL_OK);
-	}
-#endif
-
-	/* To avoid stressing percpu allocator, do this once we're unique. */
-	err = alloc_module_percpu(mod, info);
-	if (err)
-		goto unlink_mod;
-
-	/* Now module is in final location, initialize linked lists, etc. */
-	err = module_unload_init(mod);
-	if (err)
-		goto unlink_mod;
-
-	/* Now we've got everything in the final locations, we can
-	 * find optional sections. */
-	find_module_sections(mod, info);
-
-	err = check_module_license_and_versions(mod);
-	if (err)
-		goto free_unload;
-
-	/* Set up MODINFO_ATTR fields */
-	setup_modinfo(mod, info);
-
-	/* Fix up syms, so that st_value is a pointer to location. */
-	err = simplify_symbols(mod, info);
-	if (err < 0)
-		goto free_modinfo;
-
-	err = apply_relocations(mod, info);
-	if (err < 0)
-		goto free_modinfo;
-
-	err = post_relocation(mod, info, for_lcd);
-	if (err < 0)
-		goto free_modinfo;
-
-	flush_module_icache(mod);
-
-	/* Now copy in args */
-	mod->args = strndup_user(uargs, ~0UL >> 1);
-	if (IS_ERR(mod->args)) {
-		err = PTR_ERR(mod->args);
-		goto free_arch_cleanup;
-	}
-
-	dynamic_debug_setup(info->debug, info->num_debug);
-
-	/* Finally it's fully formed, ready to start executing. */
-	err = complete_formation(mod, info);
-	if (err)
-		goto ddebug_cleanup;
-
-	/* Module is ready to execute: parsing args may do that. */
-	err = parse_args(mod->name, mod->args, mod->kp, mod->num_kp,
-			 -32768, 32767, &ddebug_dyndbg_module_param_cb);
-	if (err < 0)
-		goto bug_cleanup;
-
-	/* Link in to syfs. */
-	err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp);
-	if (err < 0)
-		goto bug_cleanup;
-
-	/* Get rid of temporary copy. */
-	free_copy(info);
-
-	/* Done! */
-	trace_module_load(mod);
-
-	return do_init_module(mod, for_lcd);
-
- bug_cleanup:
-	/* module_bug_cleanup needs module_mutex protection */
-	mutex_lock(&module_mutex);
-	module_bug_cleanup(mod);
-	mutex_unlock(&module_mutex);
- ddebug_cleanup:
-	dynamic_debug_remove(info->debug);
-	synchronize_sched();
-	kfree(mod->args);
- free_arch_cleanup:
-	module_arch_cleanup(mod);
- free_modinfo:
-	free_modinfo(mod);
- free_unload:
-	module_unload_free(mod);
- unlink_mod:
-	mutex_lock(&module_mutex);
-	/* Unlink carefully: kallsyms could be walking list. */
-	list_del_rcu(&mod->list);
-	wake_up_all(&module_wq);
-	mutex_unlock(&module_mutex);
- free_module:
-	module_deallocate(mod, info);
- free_copy:
-	free_copy(info);
-	return err;
-}
-#endif
-
-#ifdef CONFIG_LCD
-SYSCALL_DEFINE3(init_lcd, void __user *, umod,
-		unsigned long, len, const char __user *, uargs)
-{
-	int err;
-	struct load_info info = { };
-
-	err = may_init_module();
-	if (err)
-		return err;
-
-	pr_debug("init_module: umod=%p, len=%lu, uargs=%p\n",
-	       umod, len, uargs);
-
-	err = copy_module_from_user(umod, len, &info);
-	if (err)
-		return err;
-
-	return load_lcd(&info, uargs, 0);
-}
-#endif
-
 int do_sys_init_module(void __user *umod, unsigned long len,
 		const char __user *uargs, int for_lcd)
 {