Fix: send_channel_monitor_pipe does not take the consumer socket lock

[lttng-tools.git] / src / bin / lttng-sessiond / consumer.c

diff --git a/src/bin/lttng-sessiond/consumer.c b/src/bin/lttng-sessiond/consumer.c
index 5e723e9b3804e08335d3e16758486899ec79f83e..25194460645d377ad5d0680417629f1f69d2f40b 100644 (file)
--- a/src/bin/lttng-sessiond/consumer.c
+++ b/src/bin/lttng-sessiond/consumer.c
@@ -1068,6 +1068,7 @@ int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
        memset(&msg, 0, sizeof(msg));
        msg.cmd_type = LTTNG_CONSUMER_SET_CHANNEL_MONITOR_PIPE;
 
+       pthread_mutex_lock(consumer_sock->lock);
        DBG3("Sending set_channel_monitor_pipe command to consumer");
        ret = consumer_send_msg(consumer_sock, &msg);
        if (ret < 0) {
@@ -1083,6 +1084,7 @@ int consumer_send_channel_monitor_pipe(struct consumer_socket *consumer_sock,
 
        DBG2("Channel monitoring pipe successfully sent");
 error:
+       pthread_mutex_unlock(consumer_sock->lock);
        return ret;
 }