RDMA/irdma: Fix drain SQ hang with no completion

commit ead54ced upstream.

SW generated completions for outstanding WRs posted on SQ
after QP is in error target the wrong CQ. This causes the
ib_drain_sq to hang with no completion.

Fix this to generate completions on the right CQ.

[  863.969340] INFO: task kworker/u52:2:671 blocked for more than 122 seconds.
[  863.979224]       Not tainted 5.14.0-130.el9.x86_64 #1
[  863.986588] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  863.996997] task:kworker/u52:2   state:D stack:    0 pid:  671 ppid:     2 flags:0x00004000
[  864.007272] Workqueue: xprtiod xprt_autoclose [sunrpc]
[  864.014056] Call Trace:
[  864.017575]  __schedule+0x206/0x580
[  864.022296]  schedule+0x43/0xa0
[  864.026736]  schedule_timeout+0x115/0x150
[  864.032185]  __wait_for_common+0x93/0x1d0
[  864.037717]  ? usleep_range_state+0x90/0x90
[  864.043368]  __ib_drain_sq+0xf6/0x170 [ib_core]
[  864.049371]  ? __rdma_block_iter_next+0x80/0x80 [ib_core]
[  864.056240]  ib_drain_sq+0x66/0x70 [ib_core]
[  864.062003]  rpcrdma_xprt_disconnect+0x82/0x3b0 [rpcrdma]
[  864.069365]  ? xprt_prepare_transmit+0x5d/0xc0 [sunrpc]
[  864.076386]  xprt_rdma_close+0xe/0x30 [rpcrdma]
[  864.082593]  xprt_autoclose+0x52/0x100 [sunrpc]
[  864.088718]  process_one_work+0x1e8/0x3c0
[  864.094170]  worker_thread+0x50/0x3b0
[  864.099109]  ? rescuer_thread+0x370/0x370
[  864.104473]  kthread+0x149/0x170
[  864.109022]  ? set_kthread_struct+0x40/0x40
[  864.114713]  ret_from_fork+0x22/0x30

Fixes: 81091d76 ("RDMA/irdma: Add SW mechanism to generate completions on error")
Link: https://lore.kernel.org/r/20220824154358.117-1-shiraz.saleem@intel.com


Reported-by: Kamal Heib <kamalheib1@gmail.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>