51 static void umh_complete(struct subprocess_info *sub_info)  in umh_complete()  argument
53 	struct completion *comp = xchg(&sub_info->complete, NULL);  in umh_complete()
62 		call_usermodehelper_freeinfo(sub_info);  in umh_complete()
70 	struct subprocess_info *sub_info = data;  in call_usermodehelper_exec_async()  local
95 	if (sub_info->init) {  in call_usermodehelper_exec_async()
96 		retval = sub_info->init(sub_info, new);  in call_usermodehelper_exec_async()
105 	sub_info->pid = task_pid_nr(current);  in call_usermodehelper_exec_async()
106 	if (sub_info->file) {  in call_usermodehelper_exec_async()
107 		retval = do_execve_file(sub_info->file,  in call_usermodehelper_exec_async()
108 					sub_info->argv, sub_info->envp);  in call_usermodehelper_exec_async()
112 		retval = do_execve(getname_kernel(sub_info->path),  in call_usermodehelper_exec_async()
113 				   (const char __user *const __user *)sub_info->argv,  in call_usermodehelper_exec_async()
114 				   (const char __user *const __user *)sub_info->envp);  in call_usermodehelper_exec_async()
116 	sub_info->retval = retval;  in call_usermodehelper_exec_async()
121 	if (!(sub_info->wait & UMH_WAIT_PROC))  in call_usermodehelper_exec_async()
122 		umh_complete(sub_info);  in call_usermodehelper_exec_async()
129 static void call_usermodehelper_exec_sync(struct subprocess_info *sub_info)  in call_usermodehelper_exec_sync()  argument
135 	pid = kernel_thread(call_usermodehelper_exec_async, sub_info, SIGCHLD);  in call_usermodehelper_exec_sync()
137 		sub_info->retval = pid;  in call_usermodehelper_exec_sync()
158 			sub_info->retval = ret;  in call_usermodehelper_exec_sync()
164 	umh_complete(sub_info);  in call_usermodehelper_exec_sync()
183 	struct subprocess_info *sub_info =  in call_usermodehelper_exec_work()  local
186 	if (sub_info->wait & UMH_WAIT_PROC) {  in call_usermodehelper_exec_work()
187 		call_usermodehelper_exec_sync(sub_info);  in call_usermodehelper_exec_work()
195 		pid = kernel_thread(call_usermodehelper_exec_async, sub_info,  in call_usermodehelper_exec_work()
198 			sub_info->retval = pid;  in call_usermodehelper_exec_work()
199 			umh_complete(sub_info);  in call_usermodehelper_exec_work()
385 	struct subprocess_info *sub_info;  in call_usermodehelper_setup()  local
386 	sub_info = kzalloc(sizeof(struct subprocess_info), gfp_mask);  in call_usermodehelper_setup()
387 	if (!sub_info)  in call_usermodehelper_setup()
390 	INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);  in call_usermodehelper_setup()
393 	sub_info->path = CONFIG_STATIC_USERMODEHELPER_PATH;  in call_usermodehelper_setup()
395 	sub_info->path = path;  in call_usermodehelper_setup()
397 	sub_info->argv = argv;  in call_usermodehelper_setup()
398 	sub_info->envp = envp;  in call_usermodehelper_setup()
400 	sub_info->cleanup = cleanup;  in call_usermodehelper_setup()
401 	sub_info->init = init;  in call_usermodehelper_setup()
402 	sub_info->data = data;  in call_usermodehelper_setup()
404 	return sub_info;  in call_usermodehelper_setup()
412 	struct subprocess_info *sub_info;  in call_usermodehelper_setup_file()  local
416 	sub_info = kzalloc(sizeof(struct subprocess_info), GFP_KERNEL);  in call_usermodehelper_setup_file()
417 	if (!sub_info)  in call_usermodehelper_setup_file()
420 	sub_info->argv = argv_split(GFP_KERNEL, cmdline, NULL);  in call_usermodehelper_setup_file()
421 	if (!sub_info->argv) {  in call_usermodehelper_setup_file()
422 		kfree(sub_info);  in call_usermodehelper_setup_file()
426 	INIT_WORK(&sub_info->work, call_usermodehelper_exec_work);  in call_usermodehelper_setup_file()
427 	sub_info->path = "none";  in call_usermodehelper_setup_file()
428 	sub_info->file = file;  in call_usermodehelper_setup_file()
429 	sub_info->init = init;  in call_usermodehelper_setup_file()
430 	sub_info->cleanup = cleanup;  in call_usermodehelper_setup_file()
431 	sub_info->data = data;  in call_usermodehelper_setup_file()
432 	return sub_info;  in call_usermodehelper_setup_file()
500 	struct subprocess_info *sub_info;  in fork_usermode_blob()  local
519 	sub_info = call_usermodehelper_setup_file(file, umh_pipe_setup,  in fork_usermode_blob()
521 	if (!sub_info)  in fork_usermode_blob()
524 	err = call_usermodehelper_exec(sub_info, UMH_WAIT_EXEC);  in fork_usermode_blob()
548 int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)  in call_usermodehelper_exec()  argument
553 	if (!sub_info->path) {  in call_usermodehelper_exec()
554 		call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()
568 	if (strlen(sub_info->path) == 0)  in call_usermodehelper_exec()
576 	sub_info->complete = (wait == UMH_NO_WAIT) ? NULL : &done;  in call_usermodehelper_exec()
577 	sub_info->wait = wait;  in call_usermodehelper_exec()
579 	queue_work(system_unbound_wq, &sub_info->work);  in call_usermodehelper_exec()
589 		if (xchg(&sub_info->complete, NULL))  in call_usermodehelper_exec()
596 	retval = sub_info->retval;  in call_usermodehelper_exec()
598 	call_usermodehelper_freeinfo(sub_info);  in call_usermodehelper_exec()