From 2ef8ed5800913ac7d0d2bd00d987069fa8fc93f5 Mon Sep 17 00:00:00 2001
From: fengzero <fengzero@fengzero.com>
Date: Wed, 30 Aug 2023 08:45:52 +0000
Subject: [PATCH] fix: check tags is null

---
 src/adapter/driver/driver.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/adapter/driver/driver.c b/src/adapter/driver/driver.c
index a1431695..c1fd894e 100644
--- a/src/adapter/driver/driver.c
+++ b/src/adapter/driver/driver.c
@@ -171,6 +171,10 @@ static void update_im(neu_adapter_t *adapter, const char *group,
     }
 
     UT_array *tags = neu_adapter_driver_get_ptag(driver, group, tag);
+    if (tags == NULL) {
+        return;
+    }
+
     neu_driver_cache_update_change(driver->cache, group, tag, global_timestamp,
                                    value, metas, n_meta, true);
     driver->adapter.cb_funs.update_metric(&driver->adapter,