Add missing mutex lock for kconsumerd pid

[lttng-tools.git] / ltt-sessiond / main.c

diff --git a/ltt-sessiond/main.c b/ltt-sessiond/main.c
index 32e47068efc31eacc56cb8e77660f0047892348b..8c09339aba2c80d79f60fdb88afbf4481b3ee1e5 100644 (file)
--- a/ltt-sessiond/main.c
+++ b/ltt-sessiond/main.c
@@ -2606,14 +2606,17 @@ static int process_client_msg(struct command_ctx *cmd_ctx)
                        }
 
                        /* Start the kernel consumer daemon */
+                       pthread_mutex_lock(&kconsumerd_pid_mutex);
                        if (kconsumerd_pid == 0 &&
                                        cmd_ctx->lsm->cmd_type != LTTNG_REGISTER_CONSUMER) {
+                               pthread_mutex_unlock(&kconsumerd_pid_mutex);
                                ret = start_kconsumerd();
                                if (ret < 0) {
                                        ret = LTTCOMM_KERN_CONSUMER_FAIL;
                                        goto error;
                                }
                        }
+                       pthread_mutex_unlock(&kconsumerd_pid_mutex);
                }
                break;
        case LTTNG_DOMAIN_UST_PID: