X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fadd_context.c;h=6483c9891d83038e929b3a1b96fd3f5cd6ab07c4;hp=fad85b50aa5c263fa108f0faae44fa9936e4ed20;hb=f263b7fd113e51d0737554e8232b8669e142a260;hpb=7c612c2e69f7b4ebf77fd369126befb71e561a8f

diff --git a/src/bin/lttng/commands/add_context.c b/src/bin/lttng/commands/add_context.c
index fad85b50a..6483c9891 100644
--- a/src/bin/lttng/commands/add_context.c
+++ b/src/bin/lttng/commands/add_context.c
@@ -368,7 +368,7 @@ static int add_context(char *session_name)
 	} else if (opt_userspace) {
 		dom.type = LTTNG_DOMAIN_UST;
 	} else {
-		ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
+		print_missing_domain();
 		ret = CMD_ERROR;
 		goto error;
 	}
@@ -474,13 +474,13 @@ int cmd_add_context(int argc, const char **argv)
 			}
 
 			type->opt = &ctx_opts[index];
-			if (type->opt->ctx_type == -1) {
+			if (type->opt->symbol == NULL) {
 				ERR("Unknown context type %s", opt_type);
 				free(type);
 				ret = CMD_ERROR;
 				goto end;
 			} else {
-				cds_list_add(&type->list, &ctx_type_list.head);
+				cds_list_add_tail(&type->list, &ctx_type_list.head);
 			}
 			break;
 		case OPT_USERSPACE: