160 	struct xpc_registration *registration;  in xpc_connect()  local
170 	registration = &xpc_registrations[ch_number];  in xpc_connect()
172 	if (mutex_lock_interruptible(&registration->mutex) != 0)  in xpc_connect()
176 	if (registration->func != NULL) {  in xpc_connect()
177 		mutex_unlock(&registration->mutex);  in xpc_connect()
182 	registration->entry_size = XPC_MSG_SIZE(payload_size);  in xpc_connect()
183 	registration->nentries = nentries;  in xpc_connect()
184 	registration->assigned_limit = assigned_limit;  in xpc_connect()
185 	registration->idle_limit = idle_limit;  in xpc_connect()
186 	registration->key = key;  in xpc_connect()
187 	registration->func = func;  in xpc_connect()
189 	mutex_unlock(&registration->mutex);  in xpc_connect()
213 	struct xpc_registration *registration;  in xpc_disconnect()  local
217 	registration = &xpc_registrations[ch_number];  in xpc_disconnect()
224 	mutex_lock(&registration->mutex);  in xpc_disconnect()
227 	if (registration->func == NULL) {  in xpc_disconnect()
228 		mutex_unlock(&registration->mutex);  in xpc_disconnect()
233 	registration->func = NULL;  in xpc_disconnect()
234 	registration->key = NULL;  in xpc_disconnect()
235 	registration->nentries = 0;  in xpc_disconnect()
236 	registration->entry_size = 0;  in xpc_disconnect()
237 	registration->assigned_limit = 0;  in xpc_disconnect()
238 	registration->idle_limit = 0;  in xpc_disconnect()
242 	mutex_unlock(&registration->mutex);  in xpc_disconnect()