117 	struct kobj_uevent_env *env = NULL;  in kobject_action_args()  local
128 	env = kzalloc(sizeof(*env), GFP_KERNEL);  in kobject_action_args()
129 	if (!env)  in kobject_action_args()
134 	    add_uevent_var(env, "SYNTH_UUID=%.*s", UUID_STRING_LEN, buf))  in kobject_action_args()
168 		if (add_uevent_var(env, "SYNTH_ARG_%.*s=%.*s",  in kobject_action_args()
176 		kfree(env);  in kobject_action_args()
178 		*ret_env = env;  in kobject_action_args()
197 	struct kobj_uevent_env *env;  in kobject_synth_uevent()  local
213 				count - (action_args - buf), &env);  in kobject_synth_uevent()
222 	r = kobject_uevent_env(kobj, action, env->envp);  in kobject_synth_uevent()
223 	kfree(env);  in kobject_synth_uevent()
251 static int init_uevent_argv(struct kobj_uevent_env *env, const char *subsystem)  in init_uevent_argv()  argument
255 	len = strlcpy(&env->buf[env->buflen], subsystem,  in init_uevent_argv()
256 		      sizeof(env->buf) - env->buflen);  in init_uevent_argv()
257 	if (len >= (sizeof(env->buf) - env->buflen)) {  in init_uevent_argv()
262 	env->argv[0] = uevent_helper;  in init_uevent_argv()
263 	env->argv[1] = &env->buf[env->buflen];  in init_uevent_argv()
264 	env->argv[2] = NULL;  in init_uevent_argv()
266 	env->buflen += len + 1;  in init_uevent_argv()
277 static struct sk_buff *alloc_uevent_skb(struct kobj_uevent_env *env,  in alloc_uevent_skb()  argument
288 	skb = alloc_skb(len + env->buflen, GFP_KERNEL);  in alloc_uevent_skb()
296 	skb_put_data(skb, env->buf, env->buflen);  in alloc_uevent_skb()
307 static int uevent_net_broadcast_untagged(struct kobj_uevent_env *env,  in uevent_net_broadcast_untagged()  argument
324 			skb = alloc_uevent_skb(env, action_string, devpath);  in uevent_net_broadcast_untagged()
341 				       struct kobj_uevent_env *env,  in uevent_net_broadcast_tagged()  argument
349 	skb = alloc_uevent_skb(env, action_string, devpath);  in uevent_net_broadcast_tagged()
380 					struct kobj_uevent_env *env,  in kobject_uevent_net_broadcast()  argument
406 		ret = uevent_net_broadcast_untagged(env, action_string,  in kobject_uevent_net_broadcast()
409 		ret = uevent_net_broadcast_tagged(net->uevent_sock->sk, env,  in kobject_uevent_net_broadcast()
416 static void zap_modalias_env(struct kobj_uevent_env *env)  in zap_modalias_env()  argument
422 	for (i = 0; i < env->envp_idx;) {  in zap_modalias_env()
423 		if (strncmp(env->envp[i], modalias_prefix,  in zap_modalias_env()
429 		len = strlen(env->envp[i]) + 1;  in zap_modalias_env()
431 		if (i != env->envp_idx - 1) {  in zap_modalias_env()
432 			memmove(env->envp[i], env->envp[i + 1],  in zap_modalias_env()
433 				env->buflen - len);  in zap_modalias_env()
435 			for (j = i; j < env->envp_idx - 1; j++)  in zap_modalias_env()
436 				env->envp[j] = env->envp[j + 1] - len;  in zap_modalias_env()
439 		env->envp_idx--;  in zap_modalias_env()
440 		env->buflen -= len;  in zap_modalias_env()
457 	struct kobj_uevent_env *env;  in kobject_uevent_env()  local
514 	env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL);  in kobject_uevent_env()
515 	if (!env)  in kobject_uevent_env()
526 	retval = add_uevent_var(env, "ACTION=%s", action_string);  in kobject_uevent_env()
529 	retval = add_uevent_var(env, "DEVPATH=%s", devpath);  in kobject_uevent_env()
532 	retval = add_uevent_var(env, "SUBSYSTEM=%s", subsystem);  in kobject_uevent_env()
539 			retval = add_uevent_var(env, "%s", envp_ext[i]);  in kobject_uevent_env()
547 		retval = uevent_ops->uevent(kset, kobj, env);  in kobject_uevent_env()
573 		zap_modalias_env(env);  in kobject_uevent_env()
582 	retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)++uevent_seqnum);  in kobject_uevent_env()
587 	retval = kobject_uevent_net_broadcast(kobj, env, action_string,  in kobject_uevent_env()
596 		retval = add_uevent_var(env, "HOME=/");  in kobject_uevent_env()
599 		retval = add_uevent_var(env,  in kobject_uevent_env()
603 		retval = init_uevent_argv(env, subsystem);  in kobject_uevent_env()
608 		info = call_usermodehelper_setup(env->argv[0], env->argv,  in kobject_uevent_env()
609 						 env->envp, GFP_KERNEL,  in kobject_uevent_env()
610 						 NULL, cleanup_uevent_env, env);  in kobject_uevent_env()
613 			env = NULL;	/* freed by cleanup_uevent_env */  in kobject_uevent_env()
620 	kfree(env);  in kobject_uevent_env()
648 int add_uevent_var(struct kobj_uevent_env *env, const char *format, ...)  in add_uevent_var()  argument
653 	if (env->envp_idx >= ARRAY_SIZE(env->envp)) {  in add_uevent_var()
659 	len = vsnprintf(&env->buf[env->buflen],  in add_uevent_var()
660 			sizeof(env->buf) - env->buflen,  in add_uevent_var()
664 	if (len >= (sizeof(env->buf) - env->buflen)) {  in add_uevent_var()
669 	env->envp[env->envp_idx++] = &env->buf[env->buflen];  in add_uevent_var()
670 	env->buflen += len + 1;  in add_uevent_var()