diff options
| author | Quinn Tran <qutran@marvell.com> | 2019-09-12 11:09:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-10-29 09:21:25 +0100 |
| commit | 4cfdcf0c8e96ef8b7356dd50b48ad85989a3044d (patch) | |
| tree | 5d48ec3da59696557ded56f1fc6312668c24c366 /drivers/scsi/qla2xxx | |
| parent | 9537351680e10e14b6aa53136fd4c7a555e21e99 (diff) | |
scsi: qla2xxx: Fix unbound sleep in fcport delete path.
[ Upstream commit c3b6a1d397420a0fdd97af2f06abfb78adc370df ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 459c28aa3b94..f77baf107024 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, |