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linux/drivers/scsi/lpfc
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James Smart a86c71ba30 scsi: lpfc: Fix crash when cpu count is 1 and null irq affinity mask 
When a configurations runs with a single cpu (such as a kdump kernel),
which causes the driver to request a single vector, when the driver
subsequently requests an irq affinity mask, the mask comes back null.  The
driver currently does nothing in this scenario, which leaves mappings to
hardware queues incomplete and crashes the system.

Fix by recognizing the null mask and assigning the vector to the first cpu
in the system.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 		2019-08-07 21:56:41 -04:00
..
Makefile scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc.h lpfc: add sysfs interface to post NVME RSCN 2019-06-21 11:08:38 +02:00
lpfc_attr.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
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 incorrect logical link speed on trunks when links down 2019-06-18 19:46:21 -04:00
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 misc on 20190709 2019-07-11 15:14:01 -07:00
lpfc_ct.c scsi: lpfc: Fix FDMI fc4type for nvme support 2019-06-18 19:46:22 -04:00
lpfc_debugfs.c scsi: lpfc: change snprintf to scnprintf for possible overflow 2019-03-25 22:14:16 -04:00
lpfc_debugfs.h scsi: lpfc: reduce stack size with CONFIG_GCC_PLUGIN_STRUCTLEAK_VERBOSE 2019-07-11 20:42:30 -04:00
lpfc_disc.h scsi: lpfc: Fix discovery failures during port failovers with lots of vports 2018-12-07 22:35:32 -05:00
lpfc_els.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
lpfc_hbadisc.c lpfc: add support to generate RSCN events for nport 2019-06-21 11:08:37 +02:00
lpfc_hw.h lpfc: add support to generate RSCN events for nport 2019-06-21 11:08:37 +02:00
lpfc_hw4.h scsi: lpfc: Move trunk_errmsg[] from a header file into a .c file 2019-04-03 23:11:36 -04:00
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 crash when cpu count is 1 and null irq affinity mask 2019-08-07 21:56:41 -04:00
lpfc_logmsg.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_mbox.c SCSI misc on 20190306 2019-03-09 16:53:47 -08:00
lpfc_mem.c scsi: lpfc: refactor mailbox structure context fields 2018-12-07 22:35:32 -05:00
lpfc_nl.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00
lpfc_nportdisc.c scsi: lpfc: Remove set-but-not-used variables 2019-04-03 23:11:36 -04:00
lpfc_nvme.c SCSI misc on 20190709 2019-07-11 15:14:01 -07:00
lpfc_nvme.h SCSI misc on 20190306 2019-03-09 16:53:47 -08:00
lpfc_nvmet.c SCSI sg on 20190709 2019-07-11 15:17:41 -07:00
lpfc_nvmet.h scsi: lpfc: Fix nvmet handling of received ABTS for unmapped frames 2019-06-18 19:46:21 -04:00
lpfc_scsi.c scsi: lpfc: Fix fcp_rsp_len checking on lun reset 2019-06-18 19:46:22 -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 20190709 2019-07-11 15:14:01 -07:00
lpfc_sli.h scsi: lpfc: Coordinate adapter error handling with offline handling 2019-03-19 12:57:02 -04:00
lpfc_sli4.h scsi: lpfc: Fix poor use of hardware queues if fewer irq vectors 2019-06-18 19:46:22 -04:00
lpfc_version.h scsi: lpfc: Update lpfc version to 12.2.0.3 2019-06-18 19:46:22 -04:00
lpfc_vport.c scsi: lpfc: Update 12.2.0.0 file copyrights to 2019 2019-02-05 22:29:50 -05:00
lpfc_vport.h scsi: lpfc: Revise copyright for new company language 2018-07-10 22:15:09 -04:00