46 static void umh_complete(struct subprocess_info *sub_info)  in umh_complete()  argument
48 	struct completion *comp = xchg(&sub_info->complete, NULL);  in umh_complete()
57 		call_usermodehelper_freeinfo(sub_info);  in umh_complete()
65 	struct subprocess_info *sub_info = data;  in call_usermodehelper_exec_async()  local
98 	if (sub_info->init) {  in call_usermodehelper_exec_async()
99 		retval = sub_info->init(sub_info, new);  in call_usermodehelper_exec_async()
109 	retval = kernel_execve(sub_info->path,  in call_usermodehelper_exec_async()
110 			       (const char *const *)sub_info->argv,  in call_usermodehelper_exec_async()
111 			       (const char *const *)sub_info->envp);  in call_usermodehelper_exec_async()
113 	sub_info->retval = retval;  in call_usermodehelper_exec_async()
118 	if (!(sub_info->wait & UMH_WAIT_PROC))  in call_usermodehelper_exec_async()
119 		umh_complete(sub_info);  in call_usermodehelper_exec_async()
126 static void call_usermodehelper_exec_sync(struct subprocess_info *sub_info)  in call_usermodehelper_exec_sync()  argument
132 	pid = user_mode_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);  in call_usermodehelper_exec_sync()
134 		sub_info->retval = pid;  in call_usermodehelper_exec_sync()
136 		kernel_wait(pid, &sub_info->retval);  in call_usermodehelper_exec_sync()
140 	umh_complete(sub_info);  in call_usermodehelper_exec_sync()
159 	struct subprocess_info *sub_info =  in call_usermodehelper_exec_work()  local
162 	if (sub_info->wait & UMH_WAIT_PROC) {  in call_usermodehelper_exec_work()
163 		call_usermodehelper_exec_sync(sub_info);  in call_usermodehelper_exec_work()
171 		pid = user_mode_thread(call_usermodehelper_exec_async, sub_info,  in call_usermodehelper_exec_work()
174 			sub_info->retval = pid;  in call_usermodehelper_exec_work()
175 			umh_complete(sub_info);  in call_usermodehelper_exec_work()
361 	struct subprocess_info *sub_info;  in call_usermodehelper_setup()  local
362 	sub_info = kzalloc(sizeof(struct subprocess_info), gfp_mask);  in call_usermodehelper_setup()
363 	if (!sub_info)  in call_usermodehelper_setup()
366 	INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);  in call_usermodehelper_setup()
369 	sub_info->path = CONFIG_STATIC_USERMODEHELPER_PATH;  in call_usermodehelper_setup()
371 	sub_info->path = path;  in call_usermodehelper_setup()
373 	sub_info->argv = argv;  in call_usermodehelper_setup()
374 	sub_info->envp = envp;  in call_usermodehelper_setup()
376 	sub_info->cleanup = cleanup;  in call_usermodehelper_setup()
377 	sub_info->init = init;  in call_usermodehelper_setup()
378 	sub_info->data = data;  in call_usermodehelper_setup()
380 	return sub_info;  in call_usermodehelper_setup()
401 int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)  in call_usermodehelper_exec()  argument
407 	if (!sub_info->path) {  in call_usermodehelper_exec()
408 		call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()
422 	if (strlen(sub_info->path) == 0)  in call_usermodehelper_exec()
430 	sub_info->complete = (wait == UMH_NO_WAIT) ? NULL : &done;  in call_usermodehelper_exec()
431 	sub_info->wait = wait;  in call_usermodehelper_exec()
433 	queue_work(system_unbound_wq, &sub_info->work);  in call_usermodehelper_exec()
446 		if (xchg(&sub_info->complete, NULL))  in call_usermodehelper_exec()
460 	retval = sub_info->retval;  in call_usermodehelper_exec()
462 	call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()