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mgmtd: cleanup txn without scheduling

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If the transaction is not cleaned up immediately, it can be still
referenced by some threds. If it's a commit thread and it's executed
before the actual cleanup, mgmtd crashes because of the missing
commit_cfg_req.

Signed-off-by: Igor Ryzhov <iryzhov@nfware.com>
This commit is contained in:
Igor Ryzhov 2024-01-25 13:51:58 +02:00 committed by Christian Hopps
parent 7e27469337
commit 771c8f3b2a
1 changed files with 3 additions and 26 deletions
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29
mgmtd/mgmt_txn.c
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@ -32,7 +32,6 @@ enum mgmt_txn_event {
MGMTD_TXN_PROC_GETTREE,
MGMTD_TXN_COMMITCFG_TIMEOUT,
MGMTD_TXN_GETTREE_TIMEOUT,
MGMTD_TXN_CLEANUP
};
PREDECL_LIST(mgmt_txn_reqs);
@ -281,6 +280,8 @@ static struct mgmt_master *mgmt_txn_mm;
static void mgmt_txn_register_event(struct mgmt_txn_ctx *txn,
enum mgmt_txn_event event);
static void mgmt_txn_cleanup_txn(struct mgmt_txn_ctx **txn);
static struct mgmt_txn_be_cfg_batch *
mgmt_txn_cfg_batch_alloc(struct mgmt_txn_ctx *txn, enum mgmt_be_client_id id,
struct mgmt_be_client_adapter *be_adapter)
@ -409,7 +410,6 @@ static struct mgmt_txn_req *mgmt_txn_req_alloc(struct mgmt_txn_ctx *txn,
break;
case MGMTD_TXN_COMMITCFG_TIMEOUT:
case MGMTD_TXN_GETTREE_TIMEOUT:
case MGMTD_TXN_CLEANUP:
break;
}
@ -518,7 +518,6 @@ static void mgmt_txn_req_free(struct mgmt_txn_req **txn_req)
break;
case MGMTD_TXN_COMMITCFG_TIMEOUT:
case MGMTD_TXN_GETTREE_TIMEOUT:
case MGMTD_TXN_CLEANUP:
break;
}
@ -781,7 +780,7 @@ static int mgmt_txn_send_commit_cfg_reply(struct mgmt_txn_ctx *txn,
* we need to cleanup by itself.
*/
if (!txn->session_id)
mgmt_txn_register_event(txn, MGMTD_TXN_CLEANUP);
mgmt_txn_cleanup_txn(&txn);
return 0;
}
@ -1455,11 +1454,6 @@ static void mgmt_txn_process_commit_cfg(struct event *thread)
case MGMTD_COMMIT_PHASE_MAX:
break;
}
MGMTD_TXN_DBG("txn-id:%" PRIu64 " session-id: %" PRIu64
" phase updated to '%s'",
txn->txn_id, txn->session_id,
mgmt_txn_commit_phase_str(txn));
}
static void mgmt_init_get_data_reply(struct mgmt_get_data_reply *get_reply)
@ -1539,7 +1533,6 @@ static void mgmt_txn_send_getcfg_reply_data(struct mgmt_txn_req *txn_req,
case MGMTD_TXN_PROC_GETTREE:
case MGMTD_TXN_GETTREE_TIMEOUT:
case MGMTD_TXN_COMMITCFG_TIMEOUT:
case MGMTD_TXN_CLEANUP:
MGMTD_TXN_ERR("Invalid Txn-Req-Event %u", txn_req->req_event);
break;
}
@ -1898,16 +1891,6 @@ static void mgmt_txn_cleanup_all_txns(void)
mgmt_txn_cleanup_txn(&txn);
}
static void mgmt_txn_cleanup(struct event *thread)
{
struct mgmt_txn_ctx *txn;
txn = (struct mgmt_txn_ctx *)EVENT_ARG(thread);
assert(txn);
mgmt_txn_cleanup_txn(&txn);
}
static void mgmt_txn_register_event(struct mgmt_txn_ctx *txn,
enum mgmt_txn_event event)
{
@ -1939,11 +1922,6 @@ static void mgmt_txn_register_event(struct mgmt_txn_ctx *txn,
MGMTD_TXN_GET_TREE_MAX_DELAY_SEC,
&txn->get_tree_timeout);
break;
case MGMTD_TXN_CLEANUP:
tv.tv_usec = MGMTD_TXN_CLEANUP_DELAY_USEC;
event_add_timer_tv(mgmt_txn_tm, mgmt_txn_cleanup, txn, &tv,
&txn->clnup);
break;
case MGMTD_TXN_PROC_GETTREE:
assert(!"code bug do not register this event");
break;
@ -2528,7 +2506,6 @@ int mgmt_txn_notify_error(struct mgmt_be_client_adapter *adapter,
case MGMTD_TXN_PROC_GETCFG:
case MGMTD_TXN_COMMITCFG_TIMEOUT:
case MGMTD_TXN_GETTREE_TIMEOUT:
case MGMTD_TXN_CLEANUP:
default:
assert(!"non-native req event in native erorr path");
return -1;