Commit c3b6a1d3 authored Sep 12, 2019 by Quinn Tran Committed by Martin K. Petersen Sep 23, 2019

scsi: qla2xxx: Fix unbound sleep in fcport delete path.

There are instances, though rare, where a LOGO request cannot be sent out
and the thread in free session done can wait indefinitely. Fix this by
putting an upper bound to sleep.

Link: https://lore.kernel.org/r/20190912180918.6436-3-hmadhani@marvell.com


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>

parent 248a445a

drivers/scsi/qla2xxx/qla_target.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -1020,6 +1020,7 @@ void qlt_free_session_done(struct work_struct *work)

		if (logout_started) {
		bool traced = false;
		u16 cnt = 0;

		while (!READ_ONCE(sess->logout_completed)) {
		if (!traced) {
		@@ -1029,6 +1030,9 @@ void qlt_free_session_done(struct work_struct *work)
		traced = true;
		}
		msleep(100);
		cnt++;
		if (cnt > 200)
		break;
		}

		ql_dbg(ql_dbg_disc, vha, 0xf087,

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