Fix: Returned code when listing kernel channel

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

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index d29de9d459fd6b3fbd0325ecf04111fbbbf10aae..d735be833f4064e88d0cd801a45c6d781d618c55 100644 (file)
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -3226,6 +3226,9 @@ static ssize_t cmd_list_channels(int domain, struct ltt_session *session,
                        nb_chan = session->kernel_session->channel_count;
                }
                DBG3("Number of kernel channels %zd", nb_chan);
+               if (nb_chan <= 0) {
+                       ret = LTTCOMM_KERN_CHAN_NOT_FOUND;
+               }
                break;
        case LTTNG_DOMAIN_UST:
                if (session->ust_session != NULL) {
@@ -3233,6 +3236,9 @@ static ssize_t cmd_list_channels(int domain, struct ltt_session *session,
                                        session->ust_session->domain_global.channels);
                }
                DBG3("Number of UST global channels %zd", nb_chan);
+               if (nb_chan <= 0) {
+                       ret = LTTCOMM_UST_CHAN_NOT_FOUND;
+               }
                break;
        default:
                *channels = NULL;
@@ -3250,6 +3256,8 @@ static ssize_t cmd_list_channels(int domain, struct ltt_session *session,
                list_lttng_channels(domain, session, *channels);
        } else {
                *channels = NULL;
+               /* Ret value was set in the domain switch case */
+               goto error;
        }
 
        return nb_chan;