X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-context-pid.c;h=698b242245a28b6e38484f65f21f129e53ab9774;hb=75f4f125155dedcc5c478b656f4571cf16d88197;hp=5400db9632ab1f7f5ef332e88df78f219fce3c5f;hpb=b64bc438d1c9bbcf241c598ca9f0e00d5770d784;p=lttng-modules.git

diff --git a/lttng-context-pid.c b/lttng-context-pid.c
index 5400db96..698b2422 100644
--- a/lttng-context-pid.c
+++ b/lttng-context-pid.c
@@ -40,11 +40,14 @@ void pid_record(struct lttng_ctx_field *field,
 int lttng_add_pid_to_ctx(struct lttng_ctx **ctx)
 {
 	struct lttng_ctx_field *field;
-	int ret;
 
 	field = lttng_append_context(ctx);
 	if (!field)
-		return ret;
+		return -ENOMEM;
+	if (lttng_find_context(*ctx, "pid")) {
+		lttng_remove_context_field(ctx, field);
+		return -EEXIST;
+	}
 	field->event_field.name = "pid";
 	field->event_field.type.atype = atype_integer;
 	field->event_field.type.u.basic.integer.size = sizeof(pid_t) * CHAR_BIT;