diff mbox series

[02/14] qla2xxx: Fix unbound sleep in fcport delete path.

Message ID 20190912151949.2348-3-hmadhani@marvell.com (mailing list archive)
State Superseded
Headers show
Series qla2xxx: Bug fixes for the driver. | expand

Commit Message

Himanshu Madhani Sept. 12, 2019, 3:19 p.m. UTC 
From: Quinn Tran <qutran@marvell.com>

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.

Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
---
 drivers/scsi/qla2xxx/qla_target.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index d0061ae1488e..135c39a3cb66 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -1021,6 +1021,7 @@  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) {
@@ -1030,6 +1031,9 @@  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,