System crash in dma_direct_unmap_sg() while having rport issues and using bnx2fc driver

Issue

• System crash in dma_direct_unmap_sg() while having rport issues and using bnx2fc driver:

[  554.783785] bnx2fc: lun_rst: abts already in progress for this IO 0x105
[  554.821853] bnx2fc: lun_rst: abts already in progress for this IO 0x295
[  554.859719] bnx2fc: lun_rst: abts already in progress for this IO 0x17d
[  565.784657] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018
[  565.829134] PGD 0 P4D 0 
[  565.846907] Oops: 0000 [#1] SMP PTI
[  565.869924] CPU: 18 PID: 1014 Comm: bnx2fc_thread/1 Kdump: loaded Not tainted 4.18.0-305.19.1.el8_4.x86_64 #1
[  565.924394] Hardware name: HP ProLiant WS460c Gen9, BIOS I36 04/29/2021
[  565.963252] RIP: 0010:dma_direct_unmap_sg+0x87/0x100
....
[  566.572076] Call Trace:
[  566.594178]  ? add_timer+0x13f/0x1f0
[  566.621732]  bnx2fc_unmap_sg_list+0x56/0x70 [bnx2fc]
[  566.655324]  bnx2fc_scsi_done+0x40/0xd0 [bnx2fc]
[  566.687069]  bnx2fc_process_abts_compl+0xc6/0x220 [bnx2fc]
[  566.722467]  bnx2fc_process_cq_compl+0x1a1/0x1f0 [bnx2fc]
[  566.757450]  bnx2fc_percpu_io_thread+0x127/0x1b0 [bnx2fc]
[  566.792583]  ? bnx2fc_ulp_init+0x380/0x380 [bnx2fc]
[  566.825066]  kthread+0x116/0x130
[  566.849782]  ? kthread_flush_work_fn+0x10/0x10
[  566.880861]  ret_from_fork+0x35/0x40