47 static void umh_complete(struct subprocess_info *sub_info)  in umh_complete()  argument
49 	struct completion *comp = xchg(&sub_info->complete, NULL);  in umh_complete()
58 		call_usermodehelper_freeinfo(sub_info);  in umh_complete()
66 	struct subprocess_info *sub_info = data;  in call_usermodehelper_exec_async()  local
99 	if (sub_info->init) {  in call_usermodehelper_exec_async()
100 		retval = sub_info->init(sub_info, new);  in call_usermodehelper_exec_async()
110 	retval = kernel_execve(sub_info->path,  in call_usermodehelper_exec_async()
111 			       (const char *const *)sub_info->argv,  in call_usermodehelper_exec_async()
112 			       (const char *const *)sub_info->envp);  in call_usermodehelper_exec_async()
114 	sub_info->retval = retval;  in call_usermodehelper_exec_async()
119 	if (!(sub_info->wait & UMH_WAIT_PROC))  in call_usermodehelper_exec_async()
120 		umh_complete(sub_info);  in call_usermodehelper_exec_async()
127 static void call_usermodehelper_exec_sync(struct subprocess_info *sub_info)  in call_usermodehelper_exec_sync()  argument
133 	pid = user_mode_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);  in call_usermodehelper_exec_sync()
135 		sub_info->retval = pid;  in call_usermodehelper_exec_sync()
137 		kernel_wait(pid, &sub_info->retval);  in call_usermodehelper_exec_sync()
141 	umh_complete(sub_info);  in call_usermodehelper_exec_sync()
160 	struct subprocess_info *sub_info =  in call_usermodehelper_exec_work()  local
163 	if (sub_info->wait & UMH_WAIT_PROC) {  in call_usermodehelper_exec_work()
164 		call_usermodehelper_exec_sync(sub_info);  in call_usermodehelper_exec_work()
172 		pid = user_mode_thread(call_usermodehelper_exec_async, sub_info,  in call_usermodehelper_exec_work()
175 			sub_info->retval = pid;  in call_usermodehelper_exec_work()
176 			umh_complete(sub_info);  in call_usermodehelper_exec_work()
362 	struct subprocess_info *sub_info;  in call_usermodehelper_setup()  local
363 	sub_info = kzalloc(sizeof(struct subprocess_info), gfp_mask);  in call_usermodehelper_setup()
364 	if (!sub_info)  in call_usermodehelper_setup()
367 	INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);  in call_usermodehelper_setup()
370 	sub_info->path = CONFIG_STATIC_USERMODEHELPER_PATH;  in call_usermodehelper_setup()
372 	sub_info->path = path;  in call_usermodehelper_setup()
374 	sub_info->argv = argv;  in call_usermodehelper_setup()
375 	sub_info->envp = envp;  in call_usermodehelper_setup()
377 	sub_info->cleanup = cleanup;  in call_usermodehelper_setup()
378 	sub_info->init = init;  in call_usermodehelper_setup()
379 	sub_info->data = data;  in call_usermodehelper_setup()
381 	return sub_info;  in call_usermodehelper_setup()
402 int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)  in call_usermodehelper_exec()  argument
408 	if (!sub_info->path) {  in call_usermodehelper_exec()
409 		call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()
423 	if (strlen(sub_info->path) == 0)  in call_usermodehelper_exec()
431 	sub_info->complete = (wait == UMH_NO_WAIT) ? NULL : &done;  in call_usermodehelper_exec()
432 	sub_info->wait = wait;  in call_usermodehelper_exec()
434 	queue_work(system_unbound_wq, &sub_info->work);  in call_usermodehelper_exec()
447 		if (xchg(&sub_info->complete, NULL))  in call_usermodehelper_exec()
461 	retval = sub_info->retval;  in call_usermodehelper_exec()
463 	call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()