X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=trunk%2Fltt-control%2Flttd%2Flttd.c;h=ceae377bd75f48cde76d8c0361ae30569d2c35f1;hb=c928825d1f57008dcf0860ec6b6f24cca463c3d5;hp=f9e7f3b815593ece3850cab3a9073721044ff16d;hpb=8d91577fa5394637b00f03e8f25ce1549c4442e8;p=ltt-control.git

diff --git a/trunk/ltt-control/lttd/lttd.c b/trunk/ltt-control/lttd/lttd.c
index f9e7f3b..ceae377 100644
--- a/trunk/ltt-control/lttd/lttd.c
+++ b/trunk/ltt-control/lttd/lttd.c
@@ -920,7 +920,11 @@ int channels_init()
 	if(ret = open_channel_trace_pairs(channel_name, trace_name, &fd_pairs,
 			&inotify_fd, &inotify_watch_array))
 		goto close_channel;
-
+	if (fd_pairs.num_pairs == 0) {
+		printf("No channel available for reading, exiting\n");
+		ret = -ENOENT;
+		goto close_channel;
+	}
 	if(ret = map_channels(&fd_pairs, 0, fd_pairs.num_pairs))
 		goto close_channel;
 	return 0;