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fix:judge if pTopic is NULL

This commit is contained in:
wangmm0220 2023-07-21 19:47:31 +08:00
parent 401bf5ee84
commit 8f15795cc1
1 changed files with 6 additions and 1 deletions
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7
source/dnode/mnode/impl/src/mndConsumer.c
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@ -515,7 +515,7 @@ static int32_t mndProcessAskEpReq(SRpcMsg *pMsg) {
char *topic = taosArrayGetP(pConsumer->currentTopics, i); char *topic = taosArrayGetP(pConsumer->currentTopics, i);
SMqSubscribeObj *pSub = mndAcquireSubscribe(pMnode, pConsumer->cgroup, topic); SMqSubscribeObj *pSub = mndAcquireSubscribe(pMnode, pConsumer->cgroup, topic);
// txn guarantees pSub is created // txn guarantees pSub is created
if(pSub == NULL) continue;
taosRLockLatch(&pSub->lock); taosRLockLatch(&pSub->lock);
SMqSubTopicEp topicEp = {0}; SMqSubTopicEp topicEp = {0};
@ -523,6 +523,11 @@ static int32_t mndProcessAskEpReq(SRpcMsg *pMsg) {
// 2.1 fetch topic schema // 2.1 fetch topic schema
SMqTopicObj *pTopic = mndAcquireTopic(pMnode, topic); SMqTopicObj *pTopic = mndAcquireTopic(pMnode, topic);
if(pTopic == NULL) {
taosRUnLockLatch(&pSub->lock);
mndReleaseSubscribe(pMnode, pSub);
continue;
}
taosRLockLatch(&pTopic->lock); taosRLockLatch(&pTopic->lock);
tstrncpy(topicEp.db, pTopic->db, TSDB_DB_FNAME_LEN); tstrncpy(topicEp.db, pTopic->db, TSDB_DB_FNAME_LEN);
topicEp.schema.nCols = pTopic->schema.nCols; topicEp.schema.nCols = pTopic->schema.nCols;