X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=a23a2b761eac462a4b48869a36b5138a3b71413f;hb=d5979e4a295b782fb44a1dc61fb4e01c47bcdf2c;hp=9b7306b794668b0b75831306a0a3eeacc9f20625;hpb=cea28771668f6fd337d00466ea9f01c12cda7467;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 9b7306b79..a23a2b761 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -1076,7 +1076,7 @@ error:
 int cmd_add_context(struct ltt_session *session, int domain,
 		char *channel_name, struct lttng_event_context *ctx, int kwpipe)
 {
-	int ret;
+	int ret, chan_kern_created = 0, chan_ust_created = 0;
 
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
@@ -1088,6 +1088,7 @@ int cmd_add_context(struct ltt_session *session, int domain,
 			if (ret != LTTNG_OK) {
 				goto error;
 			}
+			chan_kern_created = 1;
 		}
 
 		/* Add kernel context to kernel tracer */
@@ -1118,6 +1119,7 @@ int cmd_add_context(struct ltt_session *session, int domain,
 				goto error;
 			}
 			free(attr);
+			chan_ust_created = 1;
 		}
 
 		ret = context_ust_add(usess, domain, ctx, channel_name);
@@ -1136,9 +1138,30 @@ int cmd_add_context(struct ltt_session *session, int domain,
 		goto error;
 	}
 
-	ret = LTTNG_OK;
+	return LTTNG_OK;
 
 error:
+	if (chan_kern_created) {
+		struct ltt_kernel_channel *kchan =
+			trace_kernel_get_channel_by_name(DEFAULT_CHANNEL_NAME,
+					session->kernel_session);
+		/* Created previously, this should NOT fail. */
+		assert(kchan);
+		kernel_destroy_channel(kchan);
+	}
+
+	if (chan_ust_created) {
+		struct ltt_ust_channel *uchan =
+			trace_ust_find_channel_by_name(
+					session->ust_session->domain_global.channels,
+					DEFAULT_CHANNEL_NAME);
+		/* Created previously, this should NOT fail. */
+		assert(uchan);
+		/* Remove from the channel list of the session. */
+		trace_ust_delete_channel(session->ust_session->domain_global.channels,
+				uchan);
+		trace_ust_destroy_channel(uchan);
+	}
 	return ret;
 }