From e427211c638f67b841c9bd4a7c23875de4e70d0b Mon Sep 17 00:00:00 2001
From: fengzero <fengzero@fengzero.com>
Date: Thu, 14 Sep 2023 03:16:18 +0000
Subject: [PATCH] fix(event): check io is null

---
 src/event/event_linux.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/event/event_linux.c b/src/event/event_linux.c
index a55fb906..c9429f70 100644
--- a/src/event/event_linux.c
+++ b/src/event/event_linux.c
@@ -260,6 +260,10 @@ neu_event_io_t *neu_event_add_io(neu_events_t *events, neu_event_io_param_t io)
 
 int neu_event_del_io(neu_events_t *events, neu_event_io_t *io)
 {
+    if (io == NULL) {
+        return 0;
+    }
+
     struct event_data *data = (struct event_data *) io->event_data;
     zlog_notice(neuron, "del io: %d from epoll: %d", io->fd, events->epoll_fd);