- r = read(m->plymouth_fd, buffer, sizeof(buffer));
- if (r <= 0)
- on_plymouth_disconnect(m);
- else {
- if (buffer[0] == '\15')
- log_error("Message update to plymouth wasn't delivered successfully");
-
- /* the only answer support type we requested is a key interruption */
- if (buffer[0] == '\2' && buffer[5] == '\3') {
- m->cancel_requested = true;
- /* cancel all connected clients */
- LIST_FOREACH(clients, current, m->clients)
- request_cancel_client(current);
- }
+ l = read(m->plymouth_fd, buffer, sizeof(buffer));
+ if (l < 0) {
+ log_warning_errno(errno, "Got error while reading from plymouth: %m");
+ plymouth_disconnect(m);
+ return -errno;
+ }
+ if (l == 0) {
+ plymouth_disconnect(m);
+ return 0;
+ }
+
+ if (buffer[0] == '\15')
+ log_error("Message update to plymouth wasn't delivered successfully");
+
+ /* the only answer support type we requested is a key interruption */
+ if (buffer[0] == '\2' && buffer[5] == '\3') {
+ m->cancel_requested = true;
+
+ /* cancel all connected clients */
+ LIST_FOREACH(clients, current, m->clients)
+ request_cancel_client(current);