From 95b69b20c1aa38ea8c17ddbf91f0d55a1acc7601 Mon Sep 17 00:00:00 2001
From: yudechen <chenyude@huawei.com>
Date: Tue, 12 Apr 2022 14:15:36 +0800
Subject: [PATCH] fix unused variable syscapStrSize.

Signed-off-by: yudechen <chenyude@huawei.com>
Change-Id: If3d70c8a187f655ce75c231d4c895c4a3774a02f
---
 frameworks/src/core/modules/presets/syscap_module.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frameworks/src/core/modules/presets/syscap_module.cpp b/frameworks/src/core/modules/presets/syscap_module.cpp
index ab5083f..ff9f632 100644
--- a/frameworks/src/core/modules/presets/syscap_module.cpp
+++ b/frameworks/src/core/modules/presets/syscap_module.cpp
@@ -63,6 +63,10 @@ jerry_value_t SyscapModule::CheckSyscap(const jerry_value_t func,
 
     jerry_char_t buffer[SYSCAP_BUFFER_SIZE] = {0};
     jerry_size_t syscapStrSize = jerry_string_to_utf8_char_buffer(strVal, buffer, length);
+    if (syscapStrSize == 0) {
+        jerry_release_value(strVal);
+        return jerry_create_boolean(false);
+    }
     const char *syscapString = (char *)buffer;
     bool ret = HasSystemCapability(syscapString);