From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 25 Aug 2015 13:26:30 +0000 (-0400)
Subject: Fix: relayd: don't check for new streams in get packet
X-Git-Tag: v2.8.0-rc1~413
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=48e6cb13aaf1dc3875ac7ba9543649ea301ef20a

Fix: relayd: don't check for new streams in get packet

Only needed in get next index.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c
index 096c855f6..57ff9197a 100644
--- a/src/bin/lttng-relayd/live.c
+++ b/src/bin/lttng-relayd/live.c
@@ -1535,23 +1535,6 @@ int viewer_get_packet(struct relay_connection *conn)
 	}
 
 	pthread_mutex_lock(&vstream->stream->lock);
-	/*
-	 * The vstream->stream_fd used here has been opened by
-	 * get_next_index. It is opened there because this is what
-	 * allows us to grab a reference to the file with stream lock
-	 * held, thus protecting us against overwrite caused by
-	 * tracefile rotation. Since tracefile rotation unlinks the old
-	 * data file, we are ensured that we won't have our data
-	 * overwritten under us.
-	 */
-	ret = check_new_streams(conn);
-	if (ret < 0) {
-		goto end_free;
-	} else if (ret == 1) {
-		reply.status = htobe32(LTTNG_VIEWER_GET_PACKET_ERR);
-		reply.flags |= LTTNG_VIEWER_FLAG_NEW_STREAM;
-		goto send_reply;
-	}
 
 	len = be32toh(get_packet_info.len);
 	data = zmalloc(len);