From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Julia Lawall <julia.lawall@inria.fr>
Subject: [android-common:android14-kiwi-6.1 0/24] fs/smb/client/smbdirect.c:1620:3-4: WARNING opportunity for min()
Date: Sat, 15 Nov 2025 02:18:13 +0800 [thread overview]
Message-ID: <202511150211.RBAPIoDC-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: cros-kernel-buildreports@googlegroups.com
Hi Steve,
First bad commit (maybe != root cause):
tree: https://android.googlesource.com/kernel/common android14-kiwi-6.1
head: 2c86a387b0237cd5ce34ef10bd2c404debac3955
commit: 29429a1f5871dbe54ee0da81bb12db8567f15379 [0/24] smb: move client and server files to common directory fs/smb
:::::: branch date: 30 hours ago
:::::: commit date: 2 years, 5 months ago
config: x86_64-randconfig-104-20251114 (https://download.01.org/0day-ci/archive/20251115/202511150211.RBAPIoDC-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202511150211.RBAPIoDC-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> fs/smb/client/smbdirect.c:1620:3-4: WARNING opportunity for min()
vim +1620 fs/smb/client/smbdirect.c
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1517
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1518 /* Create a SMBD connection, called by upper layer */
9084432c316b76f fs/cifs/smbdirect.c kbuild test robot 2017-12-18 1519 static struct smbd_connection *_smbd_get_connection(
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1520 struct TCP_Server_Info *server, struct sockaddr *dstaddr, int port)
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1521 {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1522 int rc;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1523 struct smbd_connection *info;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1524 struct rdma_conn_param conn_param;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1525 struct ib_qp_init_attr qp_attr;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1526 struct sockaddr_in *addr_in = (struct sockaddr_in *) dstaddr;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1527 struct ib_port_immutable port_immutable;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1528 u32 ird_ord_hdr[2];
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1529
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1530 info = kzalloc(sizeof(struct smbd_connection), GFP_KERNEL);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1531 if (!info)
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1532 return NULL;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1533
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1534 info->transport_status = SMBD_CONNECTING;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1535 rc = smbd_ia_open(info, dstaddr, port);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1536 if (rc) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1537 log_rdma_event(INFO, "smbd_ia_open rc=%d\n", rc);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1538 goto create_id_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1539 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1540
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1541 if (smbd_send_credit_target > info->id->device->attrs.max_cqe ||
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1542 smbd_send_credit_target > info->id->device->attrs.max_qp_wr) {
0350d7a39c7f817 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1543 log_rdma_event(ERR, "consider lowering send_credit_target = %d. Possible CQE overrun, device reporting max_cqe %d max_qp_wr %d\n",
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1544 smbd_send_credit_target,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1545 info->id->device->attrs.max_cqe,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1546 info->id->device->attrs.max_qp_wr);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1547 goto config_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1548 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1549
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1550 if (smbd_receive_credit_max > info->id->device->attrs.max_cqe ||
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1551 smbd_receive_credit_max > info->id->device->attrs.max_qp_wr) {
0350d7a39c7f817 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1552 log_rdma_event(ERR, "consider lowering receive_credit_max = %d. Possible CQE overrun, device reporting max_cqe %d max_qp_wr %d\n",
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1553 smbd_receive_credit_max,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1554 info->id->device->attrs.max_cqe,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1555 info->id->device->attrs.max_qp_wr);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1556 goto config_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1557 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1558
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1559 info->receive_credit_max = smbd_receive_credit_max;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1560 info->send_credit_target = smbd_send_credit_target;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1561 info->max_send_size = smbd_max_send_size;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1562 info->max_fragmented_recv_size = smbd_max_fragmented_recv_size;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1563 info->max_receive_size = smbd_max_receive_size;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1564 info->keep_alive_interval = smbd_keep_alive_interval;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1565
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1566 if (info->id->device->attrs.max_send_sge < SMBDIRECT_MAX_SEND_SGE ||
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1567 info->id->device->attrs.max_recv_sge < SMBDIRECT_MAX_RECV_SGE) {
33023fb85a42b53 fs/cifs/smbdirect.c Steve Wise 2018-06-18 1568 log_rdma_event(ERR,
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1569 "device %.*s max_send_sge/max_recv_sge = %d/%d too small\n",
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1570 IB_DEVICE_NAME_MAX,
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1571 info->id->device->name,
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1572 info->id->device->attrs.max_send_sge,
33023fb85a42b53 fs/cifs/smbdirect.c Steve Wise 2018-06-18 1573 info->id->device->attrs.max_recv_sge);
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1574 goto config_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1575 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1576
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1577 info->send_cq = NULL;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1578 info->recv_cq = NULL;
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1579 info->send_cq =
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1580 ib_alloc_cq_any(info->id->device, info,
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1581 info->send_credit_target, IB_POLL_SOFTIRQ);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1582 if (IS_ERR(info->send_cq)) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1583 info->send_cq = NULL;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1584 goto alloc_cq_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1585 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1586
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1587 info->recv_cq =
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1588 ib_alloc_cq_any(info->id->device, info,
20cf4e026730104 fs/cifs/smbdirect.c Chuck Lever 2019-07-29 1589 info->receive_credit_max, IB_POLL_SOFTIRQ);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1590 if (IS_ERR(info->recv_cq)) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1591 info->recv_cq = NULL;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1592 goto alloc_cq_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1593 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1594
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1595 memset(&qp_attr, 0, sizeof(qp_attr));
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1596 qp_attr.event_handler = smbd_qp_async_error_upcall;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1597 qp_attr.qp_context = info;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1598 qp_attr.cap.max_send_wr = info->send_credit_target;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1599 qp_attr.cap.max_recv_wr = info->receive_credit_max;
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1600 qp_attr.cap.max_send_sge = SMBDIRECT_MAX_SEND_SGE;
d2e81f92e5b76c4 fs/cifs/smbdirect.c Tom Talpey 2022-09-23 1601 qp_attr.cap.max_recv_sge = SMBDIRECT_MAX_RECV_SGE;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1602 qp_attr.cap.max_inline_data = 0;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1603 qp_attr.sq_sig_type = IB_SIGNAL_REQ_WR;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1604 qp_attr.qp_type = IB_QPT_RC;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1605 qp_attr.send_cq = info->send_cq;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1606 qp_attr.recv_cq = info->recv_cq;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1607 qp_attr.port_num = ~0;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1608
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1609 rc = rdma_create_qp(info->id, info->pd, &qp_attr);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1610 if (rc) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1611 log_rdma_event(ERR, "rdma_create_qp failed %i\n", rc);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1612 goto create_qp_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1613 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1614
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1615 memset(&conn_param, 0, sizeof(conn_param));
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1616 conn_param.initiator_depth = 0;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1617
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1618 conn_param.responder_resources =
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1619 info->id->device->attrs.max_qp_rd_atom
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 @1620 < SMBD_CM_RESPONDER_RESOURCES ?
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1621 info->id->device->attrs.max_qp_rd_atom :
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1622 SMBD_CM_RESPONDER_RESOURCES;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1623 info->responder_resources = conn_param.responder_resources;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1624 log_rdma_mr(INFO, "responder_resources=%d\n",
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1625 info->responder_resources);
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1626
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1627 /* Need to send IRD/ORD in private data for iWARP */
3023a1e93656c02 fs/cifs/smbdirect.c Kamal Heib 2018-12-10 1628 info->id->device->ops.get_port_immutable(
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1629 info->id->device, info->id->port_num, &port_immutable);
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1630 if (port_immutable.core_cap_flags & RDMA_CORE_PORT_IWARP) {
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1631 ird_ord_hdr[0] = info->responder_resources;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1632 ird_ord_hdr[1] = 1;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1633 conn_param.private_data = ird_ord_hdr;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1634 conn_param.private_data_len = sizeof(ird_ord_hdr);
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1635 } else {
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1636 conn_param.private_data = NULL;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1637 conn_param.private_data_len = 0;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1638 }
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1639
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1640 conn_param.retry_count = SMBD_CM_RETRY;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1641 conn_param.rnr_retry_count = SMBD_CM_RNR_RETRY;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1642 conn_param.flow_control = 0;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1643
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1644 log_rdma_event(INFO, "connecting to IP %pI4 port %d\n",
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1645 &addr_in->sin_addr, port);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1646
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1647 init_waitqueue_head(&info->conn_wait);
050b8c374019c10 fs/cifs/smbdirect.c Long Li 2019-04-04 1648 init_waitqueue_head(&info->disconn_wait);
050b8c374019c10 fs/cifs/smbdirect.c Long Li 2019-04-04 1649 init_waitqueue_head(&info->wait_reassembly_queue);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1650 rc = rdma_connect(info->id, &conn_param);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1651 if (rc) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1652 log_rdma_event(ERR, "rdma_connect() failed with %i\n", rc);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1653 goto rdma_connect_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1654 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1655
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1656 wait_event_interruptible(
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1657 info->conn_wait, info->transport_status != SMBD_CONNECTING);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1658
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1659 if (info->transport_status != SMBD_CONNECTED) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1660 log_rdma_event(ERR, "rdma_connect failed port=%d\n", port);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1661 goto rdma_connect_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1662 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1663
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1664 log_rdma_event(INFO, "rdma_connect connected\n");
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1665
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1666 rc = allocate_caches_and_workqueue(info);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1667 if (rc) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1668 log_rdma_event(ERR, "cache allocation failed\n");
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1669 goto allocate_cache_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1670 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1671
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1672 init_waitqueue_head(&info->wait_send_queue);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1673 INIT_DELAYED_WORK(&info->idle_timer_work, idle_connection_timer);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1674 queue_delayed_work(info->workqueue, &info->idle_timer_work,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1675 info->keep_alive_interval*HZ);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1676
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1677 init_waitqueue_head(&info->wait_send_pending);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1678 atomic_set(&info->send_pending, 0);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1679
3ffbe78aff93586 fs/cifs/smbdirect.c Long Li 2020-03-30 1680 init_waitqueue_head(&info->wait_post_send);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1681
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1682 INIT_WORK(&info->disconnect_work, smbd_disconnect_rdma_work);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1683 INIT_WORK(&info->post_send_credits_work, smbd_post_send_credits);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1684 info->new_credits_offered = 0;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1685 spin_lock_init(&info->lock_new_credits_offered);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1686
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1687 rc = smbd_negotiate(info);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1688 if (rc) {
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1689 log_rdma_event(ERR, "smbd_negotiate rc=%d\n", rc);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1690 goto negotiation_failed;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1691 }
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1692
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1693 rc = allocate_mr_list(info);
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1694 if (rc) {
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1695 log_rdma_mr(ERR, "memory registration allocation failed\n");
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1696 goto allocate_mr_failed;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1697 }
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1698
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1699 return info;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1700
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1701 allocate_mr_failed:
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1702 /* At this point, need to a full transport shutdown */
c51ae01104b318b fs/cifs/smbdirect.c Zhang Xiaoxu 2022-11-18 1703 server->smbd_conn = info;
050b8c374019c10 fs/cifs/smbdirect.c Long Li 2019-04-04 1704 smbd_destroy(server);
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1705 return NULL;
c7398583340a6d8 fs/cifs/smbdirect.c Long Li 2017-11-22 1706
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1707 negotiation_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1708 cancel_delayed_work_sync(&info->idle_timer_work);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1709 destroy_caches_and_workqueue(info);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1710 info->transport_status = SMBD_NEGOTIATE_FAILED;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1711 init_waitqueue_head(&info->conn_wait);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1712 rdma_disconnect(info->id);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1713 wait_event(info->conn_wait,
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1714 info->transport_status == SMBD_DISCONNECTED);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1715
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1716 allocate_cache_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1717 rdma_connect_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1718 rdma_destroy_qp(info->id);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1719
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1720 create_qp_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1721 alloc_cq_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1722 if (info->send_cq)
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1723 ib_free_cq(info->send_cq);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1724 if (info->recv_cq)
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1725 ib_free_cq(info->recv_cq);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1726
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1727 config_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1728 ib_dealloc_pd(info->pd);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1729 rdma_destroy_id(info->id);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1730
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1731 create_id_failed:
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1732 kfree(info);
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1733 return NULL;
f198186aa9bbd60 fs/cifs/smbdirect.c Long Li 2017-11-04 1734 }
399f9539d951adf fs/cifs/smbdirect.c Long Li 2017-11-17 1735
:::::: The code at line 1620 was first introduced by commit
:::::: c7398583340a6d82b8bb7f7f21edcde27dc6a898 CIFS: SMBD: Implement RDMA memory registration
:::::: TO: Long Li <longli@microsoft.com>
:::::: CC: Steve French <smfrench@gmail.com>
--
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https://github.com/intel/lkp-tests/wiki
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