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OpenCloudOS-Kernel/drivers/scsi/lpfc
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Ewan D. Milne 9977d880f7 scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash 
The phba->poll_list is traversed in case of an error in
lpfc_sli4_hba_setup(), so it must be initialized earlier in case the error
path is taken.

[  490.030738] lpfc 0000:65:00.0: 0:1413 Failed to init iocb list.
[  490.036661] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[  490.044485] PGD 0 P4D 0
[  490.047027] Oops: 0000 [#1] SMP PTI
[  490.050518] CPU: 0 PID: 7 Comm: kworker/0:1 Kdump: loaded Tainted: G          I      --------- -  - 4.18.
[  490.060511] Hardware name: Dell Inc. PowerEdge R440/0WKGTH, BIOS 1.4.8 05/22/2018
[  490.067994] Workqueue: events work_for_cpu_fn
[  490.072371] RIP: 0010:lpfc_sli4_cleanup_poll_list+0x20/0xb0 [lpfc]
[  490.078546] Code: cf e9 04 f7 fe ff 0f 1f 40 00 0f 1f 44 00 00 41 57 49 89 ff 41 56 41 55 41 54 4d 8d a79
[  490.097291] RSP: 0018:ffffbd1a463dbcc8 EFLAGS: 00010246
[  490.102518] RAX: 0000000000008200 RBX: ffff945cdb8c0000 RCX: 0000000000000000
[  490.109649] RDX: 0000000000018200 RSI: ffff9468d0e16818 RDI: 0000000000000000
[  490.116783] RBP: ffff945cdb8c1740 R08: 00000000000015c5 R09: 0000000000000042
[  490.123915] R10: 0000000000000000 R11: ffffbd1a463dbab0 R12: ffff945cdb8c25c0
[  490.131049] R13: 00000000fffffff4 R14: 0000000000001800 R15: ffff945cdb8c0000
[  490.138182] FS:  0000000000000000(0000) GS:ffff9468d0e00000(0000) knlGS:0000000000000000
[  490.146267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  490.152013] CR2: 0000000000000000 CR3: 000000042ca10002 CR4: 00000000007706f0
[  490.159146] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  490.166277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  490.173409] PKRU: 55555554
[  490.176123] Call Trace:
[  490.178598]  lpfc_sli4_queue_destroy+0x7f/0x3c0 [lpfc]
[  490.183745]  lpfc_sli4_hba_setup+0x1bc7/0x23e0 [lpfc]
[  490.188797]  ? kernfs_activate+0x63/0x80
[  490.192721]  ? kernfs_add_one+0xe7/0x130
[  490.196647]  ? __kernfs_create_file+0x80/0xb0
[  490.201020]  ? lpfc_pci_probe_one_s4.isra.48+0x46f/0x9e0 [lpfc]
[  490.206944]  lpfc_pci_probe_one_s4.isra.48+0x46f/0x9e0 [lpfc]
[  490.212697]  lpfc_pci_probe_one+0x179/0xb70 [lpfc]
[  490.217492]  local_pci_probe+0x41/0x90
[  490.221246]  work_for_cpu_fn+0x16/0x20
[  490.224994]  process_one_work+0x1a7/0x360
[  490.229009]  ? create_worker+0x1a0/0x1a0
[  490.232933]  worker_thread+0x1cf/0x390
[  490.236687]  ? create_worker+0x1a0/0x1a0
[  490.240612]  kthread+0x116/0x130
[  490.243846]  ? kthread_flush_work_fn+0x10/0x10
[  490.248293]  ret_from_fork+0x35/0x40
[  490.251869] Modules linked in: lpfc(+) xt_CHECKSUM ipt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4i
[  490.332609] CR2: 0000000000000000

Link: https://lore.kernel.org/r/20210809150947.18104-1-emilne@redhat.com
Fixes: 93a4d6f401 ("scsi: lpfc: Add registration for CPU Offline/Online events")
Cc: stable@vger.kernel.org
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 		2021-08-09 22:45:51 -04:00
..
Makefile
…
lpfc.h scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc 2021-06-10 10:01:32 -04:00
lpfc_attr.c scsi: lpfc: vmid: VMID parameter initialization 2021-06-10 10:01:32 -04:00
lpfc_attr.h
…
lpfc_bsg.c scsi: lpfc: Fix DMA virtual address ptr assignment in bsg 2021-04-26 22:57:27 -04:00
lpfc_bsg.h scsi: lpfc: Allow applications to issue Common Set Features mailbox command 2020-07-02 23:06:40 -04:00
lpfc_compat.h
…
lpfc_crtn.h scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc 2021-06-10 10:01:32 -04:00
lpfc_ct.c scsi: lpfc: vmid: Implement CT commands for appid 2021-06-10 10:01:33 -04:00
lpfc_debugfs.c scsi: lpfc: Fix node handling for Fabric Controller and Domain Controller 2021-05-21 23:23:28 -04:00
lpfc_debugfs.h scsi: lpfc: Make debugfs ktime stats generic for NVME and SCSI 2020-03-29 18:10:58 -04:00
lpfc_disc.h scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc 2021-06-10 10:01:32 -04:00
lpfc_els.c scsi: lpfc: vmid: Implement ELS commands for appid 2021-06-10 10:01:32 -04:00
lpfc_hbadisc.c scsi: lpfc: vmid: Add QFPA and VMID timeout check in worker thread 2021-06-10 10:01:33 -04:00
lpfc_hw.h scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc 2021-06-10 10:01:32 -04:00
lpfc_hw4.h scsi: lpfc: vmid: Add support for VMID in mailbox command 2021-06-10 10:01:32 -04:00
lpfc_ids.h
…
lpfc_init.c scsi: lpfc: Move initialization of phba->poll_list earlier to avoid crash 2021-08-09 22:45:51 -04:00
lpfc_logmsg.h scsi: lpfc: Add an internal trace log buffer 2020-07-02 23:06:49 -04:00
lpfc_mbox.c scsi: lpfc: vmid: Add support for VMID in mailbox command 2021-06-10 10:01:32 -04:00
lpfc_mem.c scsi: lpfc: Re-fix use after free in lpfc_rq_buf_free() 2020-10-26 21:42:38 -04:00
lpfc_nl.h
…
lpfc_nportdisc.c scsi: lpfc: Fix node handling for Fabric Controller and Domain Controller 2021-05-21 23:23:28 -04:00
lpfc_nvme.c scsi: lpfc: Fix non-optimized ERSP handling 2021-05-21 23:23:27 -04:00
lpfc_nvme.h scsi: lpfc: Update changed file copyrights for 2020 2020-11-17 00:43:56 -05:00
lpfc_nvmet.c scsi: lpfc: Fix NMI crash during rmmod due to circular hbalock dependency 2021-04-13 01:39:13 -04:00
lpfc_scsi.c scsi: lpfc: Fix build error in lpfc_scsi.c 2021-06-18 23:01:03 -04:00
lpfc_scsi.h scsi: lpfc: Update 12.2.0.0 file copyrights to 2019 2019-02-05 22:29:50 -05:00
lpfc_sli.c SCSI misc on 20210702 2021-07-02 15:14:36 -07:00
lpfc_sli.h scsi: lpfc: vmid: Add datastructure for supporting VMID in lpfc 2021-06-10 10:01:32 -04:00
lpfc_sli4.h scsi: lpfc: Add FDMI Vendor MIB support 2020-10-26 21:42:39 -04:00
lpfc_version.h scsi: lpfc: Update lpfc version to 12.8.0.10 2021-05-21 23:23:28 -04:00
lpfc_vport.c scsi: lpfc: Update copyrights for 12.8.0.7 and 12.8.0.8 changes 2021-03-04 17:37:06 -05:00
lpfc_vport.h
…