From cdf4ffedd2e990ae0a029056d1b4d0030495b95f Mon Sep 17 00:00:00 2001
From: l00520400 <linshuqing2@huawei.com>
Date: Mon, 14 Mar 2022 16:18:10 +0800
Subject: [PATCH] Signed-off-by: l00520400 <linshuqing2@huawei.com> Change-Id:
 If17ccfe0ca38691abba501936f0cf6961d05300d

---
 interfaces/innerkits/nativetoken/src/nativetoken.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/interfaces/innerkits/nativetoken/src/nativetoken.c b/interfaces/innerkits/nativetoken/src/nativetoken.c
index 8a5c12017..ad1e6207f 100644
--- a/interfaces/innerkits/nativetoken/src/nativetoken.c
+++ b/interfaces/innerkits/nativetoken/src/nativetoken.c
@@ -38,6 +38,11 @@ int32_t GetFileBuff(const char *cfg, char **retBuff)
         return ATRET_FAILED;
     }
 
+    if (fileStat.st_size == 0) {
+        *retBuff = NULL;
+        return ATRET_SUCCESS;
+    }
+
     if (fileStat.st_size > MAX_JSON_FILE_LEN) {
         ACCESSTOKEN_LOG_ERROR("[ATLIB-%s]:stat file size is invalid.", __func__);
         return ATRET_FAILED;
-- 
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