61 static int kobject_action_type(const char *buf, size_t count,  in kobject_action_type()  argument
70 	if (count && (buf[count-1] == '\n' || buf[count-1] == '\0'))  in kobject_action_type()
76 	args_start = strnchr(buf, count, ' ');  in kobject_action_type()
78 		count_first = args_start - buf;  in kobject_action_type()
84 		if (strncmp(kobject_actions[action], buf, count_first) != 0)  in kobject_action_type()
98 static const char *action_arg_word_end(const char *buf, const char *buf_end,  in action_arg_word_end()  argument
101 	const char *next = buf;  in action_arg_word_end()
107 	if (next == buf)  in action_arg_word_end()
113 static int kobject_action_args(const char *buf, size_t count,  in kobject_action_args()  argument
121 	if (count && (buf[count - 1] == '\n' || buf[count - 1] == '\0'))  in kobject_action_args()
132 	if (count < UUID_STRING_LEN || !uuid_is_valid(buf) ||  in kobject_action_args()
133 	    add_uevent_var(env, "SYNTH_UUID=%.*s", UUID_STRING_LEN, buf))  in kobject_action_args()
140 	next = buf + UUID_STRING_LEN;  in kobject_action_args()
141 	buf_end = buf + count - 1;  in kobject_action_args()
152 		buf = next;  in kobject_action_args()
153 		next = action_arg_word_end(buf, buf_end, '=');  in kobject_action_args()
156 		key_len = next - buf;  in kobject_action_args()
162 		buf = next;  in kobject_action_args()
163 		next = action_arg_word_end(buf, buf_end, ' ');  in kobject_action_args()
168 				   key_len, key, (int) (next - buf), buf))  in kobject_action_args()
191 int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)  in kobject_synth_uevent()  argument
200 	r = kobject_action_type(buf, count, &action, &action_args);  in kobject_synth_uevent()
212 				count - (action_args - buf), &env);  in kobject_synth_uevent()
253 	int buffer_size = sizeof(env->buf) - env->buflen;  in init_uevent_argv()
256 	len = strscpy(&env->buf[env->buflen], subsystem, buffer_size);  in init_uevent_argv()
264 	env->argv[1] = &env->buf[env->buflen];  in init_uevent_argv()
297 	skb_put_data(skb, env->buf, env->buflen);  in alloc_uevent_skb()
679 	len = vsnprintf(&env->buf[env->buflen],  in add_uevent_var()
680 			sizeof(env->buf) - env->buflen,  in add_uevent_var()
684 	if (len >= (sizeof(env->buf) - env->buflen)) {  in add_uevent_var()
689 	env->envp[env->envp_idx++] = &env->buf[env->buflen];  in add_uevent_var()
700 	char buf[sizeof("SEQNUM=") + 21];  in uevent_net_broadcast()  local
705 	ret = snprintf(buf, sizeof(buf), "SEQNUM=%llu",  in uevent_net_broadcast()
707 	if (ret < 0 || (size_t)ret >= sizeof(buf))  in uevent_net_broadcast()
723 	skb_put_data(skbc, buf, ret);  in uevent_net_broadcast()