scsi: qla2xxx: Fix hardlockup in abort command during driver remove
authorArun Easi <aeasi@marvell.com>
Fri, 14 Jun 2019 14:36:27 +0000 (07:36 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 19 Jun 2019 02:52:05 +0000 (22:52 -0400)
commit5589b08e5be47e426158f659a892153b4a831921
treedb24901d49f72f6c627a61003c6d1d467f171eb4
parent24e2e7a19f7e4b83d0d5189040d997bce3596473
scsi: qla2xxx: Fix hardlockup in abort command during driver remove

[436194.555537] NMI watchdog: Watchdog detected hard LOCKUP on cpu 5
[436194.555558] RIP: 0010:native_queued_spin_lock_slowpath+0x63/0x1e0

[436194.555563] Call Trace:
[436194.555564]  _raw_spin_lock_irqsave+0x30/0x40
[436194.555564]  qla24xx_async_abort_command+0x29/0xd0 [qla2xxx]
[436194.555565]  qla24xx_abort_command+0x208/0x2d0 [qla2xxx]
[436194.555565]  __qla2x00_abort_all_cmds+0x16b/0x290 [qla2xxx]
[436194.555565]  qla2x00_abort_all_cmds+0x42/0x60 [qla2xxx]
[436194.555566]  qla2x00_abort_isp_cleanup+0x2bd/0x3a0 [qla2xxx]
[436194.555566]  qla2x00_remove_one+0x1ad/0x360 [qla2xxx]
[436194.555566]  pci_device_remove+0x3b/0xb0

Fixes: 219d27d7147e (scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands)
Cc: stable@vger.kernel.org # 5.2
Signed-off-by: Arun Easi <aeasi@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qla2xxx/qla_os.c