AuxXxilium/linux_dsm_epyc7002
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4cd7089130
linux_dsm_epyc7002/drivers/scsi/lpfc
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James Smart 4cd7089130 scsi: lpfc: Fix crash after handling a pci error 
Injecting EEH on a 32GB card is causing kernel oops

The pci error handler is doing an IO flush and the offline code is also
doing an IO flush. When the 1st flush is complete the hdwq is destroyed
(freed), yet the second flush accesses the hdwq and crashes.

Added a check in lpfc_sli4_fush_io_rings to check both the HBA_IOQ_FLUSH
flag and the hdwq pointer to see if it is already set and not already
freed.

Link: https://lore.kernel.org/r/20200322181304.37655-6-jsmart2021@gmail.com
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2020-03-26 23:15:09 -04:00
..
lpfc_attr.c scsi: lpfc: Copyright updates for 12.6.0.4 patches 2020-02-10 22:46:56 -05:00
lpfc_attr.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_bsg.c scsi: lpfc: Fix memory leak on lpfc_bsg_write_ebuf_set func 2019-12-09 18:07:34 -05:00
lpfc_bsg.h scsi: lpfc: Update Copyright in driver version 2019-03-19 13:15:10 -04:00
lpfc_compat.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_crtn.h scsi: lpfc: Fix scsi host template for SLI3 vports 2020-03-26 23:15:08 -04:00
lpfc_ct.c scsi: lpfc: Copyright updates for 12.6.0.4 patches 2020-02-10 22:46:56 -05:00
lpfc_debugfs.c block, scsi: final compat_ioctl cleanup 2020-01-10 00:14:46 -05:00
lpfc_debugfs.h scsi: lpfc: Merge per-protocol WQ/CQ pairs into single per-cpu pair 2019-08-19 22:41:12 -04:00
lpfc_disc.h scsi: lpfc: Add NVMe sequence level error recovery support 2019-08-19 22:41:12 -04:00
lpfc_els.c scsi: lpfc: fix spelling mistake "Notication" -> "Notification" 2020-02-24 15:18:14 -05:00
lpfc_hbadisc.c scsi: lpfc: add RDF registration and Link Integrity FPIN logging 2020-02-18 00:08:38 -05:00
lpfc_hw4.h scsi: lpfc: add RDF registration and Link Integrity FPIN logging 2020-02-18 00:08:38 -05:00
lpfc_hw.h scsi: lpfc: add RDF registration and Link Integrity FPIN logging 2020-02-18 00:08:38 -05:00
lpfc_ids.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_init.c scsi: lpfc: Fix scsi host template for SLI3 vports 2020-03-26 23:15:08 -04:00
lpfc_logmsg.h scsi: lpfc: Add log macros to allow print by serverity or verbosity setting 2019-10-24 21:02:05 -04:00
lpfc_mbox.c scsi: lpfc: Add FC-AL support to lpe32000 models 2019-10-24 21:02:06 -04:00
lpfc_mem.c scsi: lpfc: Remove lock contention target write path 2019-10-24 21:02:05 -04:00
lpfc_nl.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_nportdisc.c scsi: lpfc: Make lpfc_defer_acc_rsp static 2020-01-10 01:23:47 -05:00
lpfc_nvme.c for-linus-20191212 2019-12-13 14:27:19 -08:00
lpfc_nvme.h SCSI misc on 20190306 2019-03-09 16:53:47 -08:00
lpfc_nvmet.c scsi: lpfc: Fix lpfc overwrite of sg_cnt field in nvmefc_tgt_fcp_req 2020-03-26 23:15:07 -04:00
lpfc_nvmet.h scsi: lpfc: Remove lock contention target write path 2019-10-24 21:02:05 -04:00
lpfc_scsi.c scsi: lpfc: Fix scsi host template for SLI3 vports 2020-03-26 23:15:08 -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_sli4.h scsi: lpfc: Change default IRQ model on AMD architectures 2019-11-06 00:04:04 -05:00
lpfc_sli.c scsi: lpfc: Fix crash after handling a pci error 2020-03-26 23:15:09 -04:00
lpfc_sli.h scsi: lpfc: Fix bad ndlp ptr in xri aborted handling 2019-10-24 21:02:04 -04:00
lpfc_version.h scsi: lpfc: Copyright updates for 12.6.0.4 patches 2020-02-10 22:46:56 -05:00
lpfc_vport.c scsi: lpfc: Fix issuing init_vpi mbox on SLI-3 card 2019-08-19 22:41:09 -04:00
lpfc_vport.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc.h scsi: lpfc: Fix scsi host template for SLI3 vports 2020-03-26 23:15:08 -04:00
Makefile scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00