X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fadd_context.c;h=4aeeff24e86d805fff5a40c679b80fa798da56f6;hb=f11e84c2c33f6e2f4da8436012bcc61b3291b0d7;hp=a1d776d6cbb46da28b4128fd8d2d5fcacb27bf92;hpb=ca1c3607d2f5654163875cda874f43971df0f696;p=lttng-tools.git

diff --git a/src/bin/lttng/commands/add_context.c b/src/bin/lttng/commands/add_context.c
index a1d776d6c..4aeeff24e 100644
--- a/src/bin/lttng/commands/add_context.c
+++ b/src/bin/lttng/commands/add_context.c
@@ -309,6 +309,7 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "will be added to all events and all channels.\n");
 	fprintf(ofp, "Otherwise the context will be added only to the channel (-c)\n");
 	fprintf(ofp, "and/or event (-e) indicated.\n");
+	fprintf(ofp, "Exactly one domain (-k/--kernel or -u/--userspace) must be specified.\n");
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Options:\n");
 	fprintf(ofp, "  -h, --help               Show this help\n");
@@ -369,6 +370,9 @@ static int add_context(char *session_name)
 	struct ctx_type *type;
 	char *ptr;
 
+	memset(&context, 0, sizeof(context));
+	memset(&dom, 0, sizeof(dom));
+
 	if (opt_kernel) {
 		dom.type = LTTNG_DOMAIN_KERNEL;
 	} else if (opt_userspace) {
@@ -512,6 +516,13 @@ int cmd_add_context(int argc, const char **argv)
 		}
 	}
 
+	if (!opt_type) {
+		ERR("Missing mandatory -t TYPE");
+		usage(stderr);
+		ret = CMD_ERROR;
+		goto end;
+	}
+
 	if (!opt_session_name) {
 		session_name = get_session_name();
 		if (session_name == NULL) {
@@ -524,6 +535,10 @@ int cmd_add_context(int argc, const char **argv)
 
 	ret = add_context(session_name);
 
+	if (!opt_session_name) {
+		free(session_name);
+	}
+
 end:
 	/* Cleanup allocated memory */
 	cds_list_for_each_entry_safe(type, tmptype, &ctx_type_list.head, list) {