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[13/15] qla2xxx: Fix hang in fcport delete path

Message ID 20190726160740.25687-14-hmadhani@marvell.com (mailing list archive)
State Accepted
Headers show
Series qla2xxx: Bug fixes for the driver | expand

Commit Message

Himanshu Madhani July 26, 2019, 4:07 p.m. UTC 
From: Quinn Tran <qutran@marvell.com>

A hange was observed in the fcport delete path when the
device was responding slow and a 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>
---
 drivers/scsi/qla2xxx/qla_init.c | 3 ---
 1 file changed, 3 deletions(-)
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Patch

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 194a15b2f5f7..d82d1a2b3543 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -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)