From d2c852c8e9fb873e519a1b7892e6294340b49a22 Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Tue, 27 Oct 2020 11:12:03 +0000
Subject: [PATCH] TD-1762

---
 src/dnode/src/dnodeCfg.c     | 2 ++
 src/dnode/src/dnodeEps.c     | 2 ++
 src/dnode/src/dnodeMInfos.c  | 2 ++
 src/vnode/src/vnodeCfg.c     | 2 ++
 src/vnode/src/vnodeVersion.c | 2 ++
 5 files changed, 10 insertions(+)

diff --git a/src/dnode/src/dnodeCfg.c b/src/dnode/src/dnodeCfg.c
index c4a1f6b450..16d109a13a 100644
--- a/src/dnode/src/dnodeCfg.c
+++ b/src/dnode/src/dnodeCfg.c
@@ -127,6 +127,7 @@ PARSE_CFG_OVER:
   if (content != NULL) free(content);
   if (root != NULL) cJSON_Delete(root);
   if (fp != NULL) fclose(fp);
+  terrno = 0;
 
   dnodeResetCfg(&cfg);
   return 0;
@@ -155,6 +156,7 @@ static int32_t dnodeWriteCfg() {
   fflush(fp);
   fclose(fp);
   free(content);
+  terrno = 0;
 
   dInfo("successed to write %s", file);
   return 0;
diff --git a/src/dnode/src/dnodeEps.c b/src/dnode/src/dnodeEps.c
index 9627333fc3..af8f18e884 100644
--- a/src/dnode/src/dnodeEps.c
+++ b/src/dnode/src/dnodeEps.c
@@ -235,6 +235,7 @@ PRASE_EPS_OVER:
   dnodeResetEps(eps);
   if (eps) free(eps);
 
+  terrno = 0;
   return 0;
 }
 
@@ -272,6 +273,7 @@ static int32_t dnodeWriteEps() {
   fflush(fp);
   fclose(fp);
   free(content);
+  terrno = 0;
 
   dInfo("successed to write %s", file);
   return 0;
diff --git a/src/dnode/src/dnodeMInfos.c b/src/dnode/src/dnodeMInfos.c
index 0fbb946869..5240b0d487 100644
--- a/src/dnode/src/dnodeMInfos.c
+++ b/src/dnode/src/dnodeMInfos.c
@@ -238,6 +238,7 @@ PARSE_MINFOS_OVER:
   if (content != NULL) free(content);
   if (root != NULL) cJSON_Delete(root);
   if (fp != NULL) fclose(fp);
+  terrno = 0;
 
   dnodeResetMInfos(&minfos);
   return 0;
@@ -276,6 +277,7 @@ static int32_t dnodeWriteMInfos() {
   fflush(fp);
   fclose(fp);
   free(content);
+  terrno = 0;
 
   dInfo("successed to write %s", file);
   return 0;
diff --git a/src/vnode/src/vnodeCfg.c b/src/vnode/src/vnodeCfg.c
index d758c6a2d3..59eeb17d8f 100644
--- a/src/vnode/src/vnodeCfg.c
+++ b/src/vnode/src/vnodeCfg.c
@@ -262,6 +262,7 @@ PARSE_VCFG_ERROR:
     vnodeLoadCfg(pVnode, &vnodeMsg);
   }
 
+  terrno = 0;
   return ret;
 }
 
@@ -316,6 +317,7 @@ int32_t vnodeWriteCfg(SMDCreateVnodeMsg *pMsg) {
   fflush(fp);
   fclose(fp);
   free(content);
+  terrno = 0;
 
   vInfo("vgId:%d, successed to write %s", pMsg->cfg.vgId, file);
   return TSDB_CODE_SUCCESS;
diff --git a/src/vnode/src/vnodeVersion.c b/src/vnode/src/vnodeVersion.c
index daac62f7c2..2d251ec298 100644
--- a/src/vnode/src/vnodeVersion.c
+++ b/src/vnode/src/vnodeVersion.c
@@ -70,6 +70,7 @@ PARSE_VER_ERROR:
   if (content != NULL) free(content);
   if (root != NULL) cJSON_Delete(root);
   if (fp != NULL) fclose(fp);
+  terrno = 0;
 
   return ret;
 }
@@ -96,6 +97,7 @@ int32_t vnodeSaveVersion(SVnodeObj *pVnode) {
   fflush(fp);
   fclose(fp);
   free(content);
+  terrno = 0;
 
   vInfo("vgId:%d, successed to write %s, version:%" PRId64, pVnode->vgId, file, pVnode->fversion);
   return TSDB_CODE_SUCCESS;
-- 
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