50 static void umh_complete(struct subprocess_info *sub_info)  in umh_complete()  argument
52 	struct completion *comp = xchg(&sub_info->complete, NULL);  in umh_complete()
61 		call_usermodehelper_freeinfo(sub_info);  in umh_complete()
69 	struct subprocess_info *sub_info = data;  in call_usermodehelper_exec_async()  local
102 	if (sub_info->init) {  in call_usermodehelper_exec_async()
103 		retval = sub_info->init(sub_info, new);  in call_usermodehelper_exec_async()
113 	retval = kernel_execve(sub_info->path,  in call_usermodehelper_exec_async()
114 			       (const char *const *)sub_info->argv,  in call_usermodehelper_exec_async()
115 			       (const char *const *)sub_info->envp);  in call_usermodehelper_exec_async()
117 	sub_info->retval = retval;  in call_usermodehelper_exec_async()
122 	if (!(sub_info->wait & UMH_WAIT_PROC))  in call_usermodehelper_exec_async()
123 		umh_complete(sub_info);  in call_usermodehelper_exec_async()
130 static void call_usermodehelper_exec_sync(struct subprocess_info *sub_info)  in call_usermodehelper_exec_sync()  argument
136 	pid = user_mode_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);  in call_usermodehelper_exec_sync()
138 		sub_info->retval = pid;  in call_usermodehelper_exec_sync()
140 		kernel_wait(pid, &sub_info->retval);  in call_usermodehelper_exec_sync()
144 	umh_complete(sub_info);  in call_usermodehelper_exec_sync()
163 	struct subprocess_info *sub_info =  in call_usermodehelper_exec_work()  local
166 	if (sub_info->wait & UMH_WAIT_PROC) {  in call_usermodehelper_exec_work()
167 		call_usermodehelper_exec_sync(sub_info);  in call_usermodehelper_exec_work()
175 		pid = user_mode_thread(call_usermodehelper_exec_async, sub_info,  in call_usermodehelper_exec_work()
178 			sub_info->retval = pid;  in call_usermodehelper_exec_work()
179 			umh_complete(sub_info);  in call_usermodehelper_exec_work()
365 	struct subprocess_info *sub_info;  in call_usermodehelper_setup()  local
366 	sub_info = kzalloc(sizeof(struct subprocess_info), gfp_mask);  in call_usermodehelper_setup()
367 	if (!sub_info)  in call_usermodehelper_setup()
370 	INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);  in call_usermodehelper_setup()
373 	sub_info->path = CONFIG_STATIC_USERMODEHELPER_PATH;  in call_usermodehelper_setup()
375 	sub_info->path = path;  in call_usermodehelper_setup()
377 	sub_info->argv = argv;  in call_usermodehelper_setup()
378 	sub_info->envp = envp;  in call_usermodehelper_setup()
380 	sub_info->cleanup = cleanup;  in call_usermodehelper_setup()
381 	sub_info->init = init;  in call_usermodehelper_setup()
382 	sub_info->data = data;  in call_usermodehelper_setup()
384 	return sub_info;  in call_usermodehelper_setup()
405 int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)  in call_usermodehelper_exec()  argument
411 	if (!sub_info->path) {  in call_usermodehelper_exec()
412 		call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()
426 	if (strlen(sub_info->path) == 0)  in call_usermodehelper_exec()
434 	sub_info->complete = (wait == UMH_NO_WAIT) ? NULL : &done;  in call_usermodehelper_exec()
435 	sub_info->wait = wait;  in call_usermodehelper_exec()
437 	queue_work(system_unbound_wq, &sub_info->work);  in call_usermodehelper_exec()
453 		if (xchg(&sub_info->complete, NULL))  in call_usermodehelper_exec()
458 	retval = sub_info->retval;  in call_usermodehelper_exec()
460 	call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()