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Fix: undefined operation on last_relay_viewer_session_id
[lttng-tools.git]
/
src
/
bin
/
lttng-relayd
/
live.c
diff --git
a/src/bin/lttng-relayd/live.c
b/src/bin/lttng-relayd/live.c
index 55f5c80355afb7535e36056352218bc66967ecaa..ed52012407be36ef76a04d1c494a028d148bf6cd 100644
(file)
--- a/
src/bin/lttng-relayd/live.c
+++ b/
src/bin/lttng-relayd/live.c
@@
-712,7
+712,12
@@
int viewer_connect(struct relay_connection *conn)
reply.major = htobe32(reply.major);
reply.minor = htobe32(reply.minor);
if (conn->type == RELAY_VIEWER_COMMAND) {
reply.major = htobe32(reply.major);
reply.minor = htobe32(reply.minor);
if (conn->type == RELAY_VIEWER_COMMAND) {
- reply.viewer_session_id = htobe64(++last_relay_viewer_session_id);
+ /*
+ * Increment outside of htobe64 macro, because can be used more than once
+ * within the macro, and thus the operation may be undefined.
+ */
+ last_relay_viewer_session_id++;
+ reply.viewer_session_id = htobe64(last_relay_viewer_session_id);
}
health_code_update();
}
health_code_update();
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