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linux/drivers/scsi/megaraid
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Shivasharan S 15dfb9baba scsi: megaraid_sas: unload flag should be set after scsi_remove_host is called 
[ Upstream commit f3f7920b39 ]

Issue - Driver returns DID_NO_CONNECT when unload is in progress,
indicated using instance->unload flag. In case of dynamic unload of
driver, this flag is set before calling scsi_remove_host(). While doing
manual driver unload, user will see lots of prints for Sync Cache
command with DID_NO_CONNECT status.

Fix - Set the instance->unload flag after scsi_remove_host(). Allow
device removal process to be completed and do not block any command
before that.  SCSI commands (like SYNC_CACHE) are received (as part of
scsi_remove_host) by driver during unload will be submitted further down
to the drives.

Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2018-04-12 12:32:19 +02:00
..
Kconfig.megaraid [SCSI] megaraid_{mbox,mm} : remove PCI Id overlaping between megaraid_legacy and megaraid_{mbox,mm} 2005-12-13 18:10:56 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mbox_defs.h Fix common misspellings 2011-03-31 11:26:23 -03:00
mega_common.h scsi: use 64-bit LUNs 2014-07-17 22:07:37 +02:00
megaraid_ioctl.h Convert asm/semaphore.h users to linux/semaphore.h 2008-04-18 22:22:54 -04:00
megaraid_mbox.c scsi: megaraid_mbox: drop duplicate bus reset and device reset function 2017-08-25 17:21:12 -04:00
megaraid_mbox.h [SCSI] megaraid_mbox: fix Dell CERC firmware problem 2008-04-29 19:34:07 -05:00
megaraid_mm.c scsi: megaraid: Replace PCI pool old API 2017-08-07 14:04:01 -04:00
megaraid_mm.h Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
megaraid_sas.h scsi: megaraid_sas: driver version upgrade 2017-08-24 22:29:17 -04:00
megaraid_sas_base.c scsi: megaraid_sas: unload flag should be set after scsi_remove_host is called 2018-04-12 12:32:19 +02:00
megaraid_sas_fp.c scsi: megaraid_sas: Error handling for invalid ldcount provided by firmware in RAID map 2018-04-12 12:32:19 +02:00
megaraid_sas_fusion.c scsi: megaraid_sas: Do not use 32-bit atomic request descriptor for Ventura controllers 2018-03-24 11:01:21 +01:00
megaraid_sas_fusion.h scsi: megaraid_sas: Change RAID_1_10_RMW_CMDS to RAID_1_PEER_CMDS and set value to 2 2017-02-13 07:26:23 -05:00