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scsi: qla2xxx: Fix hang in fcport delete path

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A hang was observed in the fcport delete path when the device was
responding slow and an issue-lip path (results in session termination) was
taken.

Fix this by issuing logo requests unconditionally.

PID: 19491  TASK: ffff8e23e67bb150  CPU: 0   COMMAND: "kworker/0:0"
 #0 [ffff8e2370297bf8] __schedule at ffffffffb4f7dbb0
 #1 [ffff8e2370297c88] schedule at ffffffffb4f7e199
 #2 [ffff8e2370297c98] schedule_timeout at ffffffffb4f7ba68
 #3 [ffff8e2370297d40] msleep at ffffffffb48ad9ff
 #4 [ffff8e2370297d58] qlt_free_session_done at ffffffffc0c32052 [qla2xxx]
 #5 [ffff8e2370297e20] process_one_work at ffffffffb48bcfdf
 #6 [ffff8e2370297e68] worker_thread at ffffffffb48bdca6
 #7 [ffff8e2370297ec8] kthread at ffffffffb48c4f81

Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Quinn Tran 2019-07-26 09:07:38 -07:00 committed by Martin K. Petersen
parent a36f1443e6
commit f00b3428a8
1 changed files with 0 additions and 3 deletions
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3
drivers/scsi/qla2xxx/qla_init.c
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@ -378,9 +378,6 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
struct srb_iocb *lio;
int rval = QLA_FUNCTION_FAILED;
if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
return rval;
fcport->flags |= FCF_ASYNC_SENT;
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp)