fix mem leak

source/dnode/vnode/src/tq/tqSink.c

@@ -756,24 +756,14 @@ void tqSinkToTablePipeline2(SStreamTask* pTask, void* vnode, int64_t ver, void*
 
   tqDebug("vgId:%d, task %d write into table, block num: %d", TD_VID(pVnode), pTask->taskId, blockSz);
 
-  void*        pBuf = NULL;
-  SSubmitReq2* pReq = NULL;
-  SArray*      tagArray = NULL;
-  SArray*      pVals = NULL;
+  void*   pBuf = NULL;
+  SArray* tagArray = NULL;
+  SArray* pVals = NULL;
 
   if (!(tagArray = taosArrayInit(1, sizeof(STagVal)))) {
     goto _end;
   }
 
-  if (!(pReq = taosMemoryCalloc(1, sizeof(SSubmitReq2)))) {
-    terrno = TSDB_CODE_OUT_OF_MEMORY;
-    goto _end;
-  }
-
-  if (!(pReq->aSubmitTbData = taosArrayInit(1, sizeof(SSubmitTbData)))) {
-    goto _end;
-  }
-
   for (int32_t i = 0; i < blockSz; i++) {
     SSDataBlock* pDataBlock = taosArrayGet(pBlocks, i);
     if (pDataBlock->info.type == STREAM_DELETE_RESULT) {
@@ -948,13 +938,17 @@ void tqSinkToTablePipeline2(SStreamTask* pTask, void* vnode, int64_t ver, void*
         taosArrayPush(tbData.aRowP, &pRow);
       }
 
-      taosArrayClear(pReq->aSubmitTbData);
-      taosArrayPush(pReq->aSubmitTbData, &tbData);
+      SSubmitReq2 submitReq = {0};
+      if (!(submitReq.aSubmitTbData = taosArrayInit(1, sizeof(SSubmitTbData)))) {
+        goto _end;
+      }
+
+      taosArrayPush(submitReq.aSubmitTbData, &tbData);
 
       // encode
       int32_t len;
       int32_t code;
-      tEncodeSize(tEncodeSSubmitReq2, pReq, len, code);
+      tEncodeSize(tEncodeSSubmitReq2, &submitReq, len, code);
       SEncoder encoder;
       len += sizeof(SMsgHead);
       pBuf = rpcMallocCont(len);
@@ -964,7 +958,7 @@ void tqSinkToTablePipeline2(SStreamTask* pTask, void* vnode, int64_t ver, void*
       ((SMsgHead*)pBuf)->vgId = TD_VID(pVnode);
       ((SMsgHead*)pBuf)->contLen = htonl(len);
       tEncoderInit(&encoder, POINTER_SHIFT(pBuf, sizeof(SMsgHead)), len - sizeof(SMsgHead));
-      if (tEncodeSSubmitReq2(&encoder, pReq) < 0) {
+      if (tEncodeSSubmitReq2(&encoder, &submitReq) < 0) {
         terrno = TSDB_CODE_OUT_OF_MEMORY;
         tqError("failed to encode submit req since %s", terrstr());
         tEncoderClear(&encoder);
@@ -972,6 +966,7 @@ void tqSinkToTablePipeline2(SStreamTask* pTask, void* vnode, int64_t ver, void*
         continue;
       }
       tEncoderClear(&encoder);
+      tDestroySSubmitReq2(&submitReq, TSDB_MSG_FLG_ENCODE);
 
       SRpcMsg msg = {
           .msgType = TDMT_VND_SUBMIT,
@@ -988,8 +983,6 @@ _end:
   taosArrayDestroy(tagArray);
   taosArrayDestroy(pVals);
   // TODO: change
-  tDestroySSubmitReq2(pReq, TSDB_MSG_FLG_ENCODE);
-  taosMemoryFree(pReq);
 }
 
 #if 0