From 960a939fd909d3ad91cc74bc566fd7d3980b78a4 Mon Sep 17 00:00:00 2001
From: laiguizhong <laiguizhong@huawei.com>
Date: Mon, 20 Jun 2022 05:33:21 -0700
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E5=BA=8F=E5=88=97=E5=8F=B7?=
 =?UTF-8?q?=E5=8F=98=E9=87=8F=E5=AD=98=E5=82=A8=E6=96=B9=E5=BC=8F?=
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Signed-off-by: laiguizhong <laiguizhong@huawei.com>
Change-Id: I78fcc478f08fdd40dde35fd4bf7f84fde2dcabf5
---
 interfaces/innerkits/syspara/param_comm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/interfaces/innerkits/syspara/param_comm.c b/interfaces/innerkits/syspara/param_comm.c
index 98ece65b..abc056b8 100755
--- a/interfaces/innerkits/syspara/param_comm.c
+++ b/interfaces/innerkits/syspara/param_comm.c
@@ -191,7 +191,10 @@ INIT_LOCAL_API const char *GetSerial_(void)
 #ifdef LITEOS_SUPPORT
     return HalGetSerial();
 #else
-    static char ohos_serial[PARAM_VALUE_LEN_MAX]  = {0};
+    static char *ohos_serial = NULL;
+    if (ohos_serial == NULL) {
+        BEGET_CHECK((ohos_serial = (char *)calloc(1, PARAM_VALUE_LEN_MAX)) != NULL, return NULL);
+    }
     uint32_t len = PARAM_VALUE_LEN_MAX;
     int ret = SystemGetParameter("ohos.boot.sn", ohos_serial, &len);
     BEGET_CHECK(ret == 0, return NULL);
-- 
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