+ enabled_channels = 0;
+ for (c = sdi->channels; c; c = c->next) {
+ ch = c->data;
+ if (ch->enabled) {
+ enabled_channels++;
+ break;
+ }
+ }
+ if (enabled_channels == 0) {
+ ret = SR_ERR;
+ sr_err("%s instance %d has no enabled channels!",
+ sdi->driver->name, sdi->index);
+ break;
+ }
+