_TP_ARGS_DATA_VAR(_args)); \
__event_align = __event_get_align__##_provider##___##_name(_TP_ARGS_VAR(_args)); \
memset(&__lttng_ctx, 0, sizeof(__lttng_ctx)); \
- __lttng_ctx.struct_size = sizeof(struct lttng_ust_stack_ctx); \
+ __lttng_ctx.struct_size = sizeof(struct lttng_ust_stack_ctx); \
__lttng_ctx.event_recorder = __event_recorder; \
- lib_ring_buffer_ctx_init(&__ctx, __chan->chan, &__lttng_ctx, __event_len, \
- __event_align, -1, __chan->handle); \
+ lib_ring_buffer_ctx_init(&__ctx, NULL, &__lttng_ctx, __event_len, __event_align); \
__ctx.ip = _TP_IP_PARAM(TP_IP_PARAM); \
__ret = __chan->ops->event_reserve(&__ctx, __event_recorder->id); \
if (__ret < 0) \