X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-comm.c;h=beea83ffc14e471769a7c34da63591adb2a63fd4;hb=44252f0fd51fd4bf28926dcef525355bceb08c5f;hp=ede3f51a0d4bd9ffd9568d75a28e1fc4ebc75668;hpb=96ba7208aa8009345a525148e32f78cd8d4693ab;p=lttng-modules.git

diff --git a/lttng-context-comm.c b/lttng-context-comm.c
index ede3f51a..beea83ff 100644
--- a/lttng-context-comm.c
+++ b/lttng-context-comm.c
@@ -45,6 +45,10 @@ int lttng_add_comm_to_ctx(struct lttng_ctx **ctx)
 	field = lttng_append_context(ctx);
 	if (!field)
 		return -ENOMEM;
+	if (lttng_find_context(*ctx, "comm")) {
+		lttng_remove_context_field(ctx, field);
+		return -EEXIST;
+	}
 	field->event_field.name = "comm";
 	field->event_field.type.atype = atype_array;
 	field->event_field.type.u.array.elem_type.atype = atype_integer;