From a806aace4e0c7dfca0e83a0f559f270c5f1d4111 Mon Sep 17 00:00:00 2001
From: yangbiao59 <yangbiao59@h-partners.com>
Date: Tue, 5 Aug 2025 10:05:46 +0000
Subject: [PATCH] =?UTF-8?q?read=5Fcore.cpp=E4=B8=ADValidReadArg=E5=87=BD?=
 =?UTF-8?q?=E6=95=B0=E8=B0=83=E6=95=B4?=
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Signed-off-by: yangbiao59 <yangbiao59@h-partners.com>
---
 interfaces/kits/js/src/mod_fs/properties/read_core.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/interfaces/kits/js/src/mod_fs/properties/read_core.cpp b/interfaces/kits/js/src/mod_fs/properties/read_core.cpp
index 2099ebce6..1c4ac55b9 100644
--- a/interfaces/kits/js/src/mod_fs/properties/read_core.cpp
+++ b/interfaces/kits/js/src/mod_fs/properties/read_core.cpp
@@ -34,12 +34,13 @@ static tuple<bool, void *, size_t, int64_t> ValidReadArg(ArrayBuffer &arrayBuffe
     int64_t offset = -1;
     bool succ = false;
     void *buf = arrayBuffer.buf;
-    size_t bufLen = arrayBuffer.length;
 
+    size_t bufLen = arrayBuffer.length;
     if (bufLen > UINT_MAX) {
         HILOGE("Invalid arraybuffer");
         return { false, nullptr, retLen, offset };
     }
+
     optional<size_t> lengthOp = nullopt;
     optional<int64_t> offsetOp = nullopt;
     if (options.has_value()) {
-- 
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