From 23d85915db51d90b4f7b97967eae4349ed351215 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=A9=AC=E5=A3=AB=E8=BE=B0?= <mashichen1@h-partners.com>
Date: Thu, 21 Aug 2025 19:58:46 +0800
Subject: [PATCH] add validity checks
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Signed-off-by: 马士辰 <mashichen1@h-partners.com>
---
 frameworks/inner/c_adapter/ohos_bt_gatt.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frameworks/inner/c_adapter/ohos_bt_gatt.cpp b/frameworks/inner/c_adapter/ohos_bt_gatt.cpp
index 3d645d7f..37620ab1 100644
--- a/frameworks/inner/c_adapter/ohos_bt_gatt.cpp
+++ b/frameworks/inner/c_adapter/ohos_bt_gatt.cpp
@@ -910,6 +910,10 @@ static int SetConfigScanFilter(int32_t scannerId, const BleScanNativeFilter *fil
     vector<BleScanFilter> &outScanFilters)
 {
     HILOGD("SetConfigScanFilter enter");
+    if (filter == nullptr || filterSize == 0) {
+        HILOGE("Invalid parameters: filter is null or filterSize is zero");
+        return OHOS_BT_STATUS_PARM_INVALID;
+    }
     for (uint32_t i = 0; i < filterSize; i++) {
         BleScanNativeFilter nativeScanFilter = filter[i];
         BleScanFilter scanFilter;
-- 
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