From bbd83a6ad1b8d00b54b7d0bf5d8913a4d7bd06dd Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Sun, 3 Nov 2019 00:22:14 +0000 Subject: [PATCH] qla2x00t-32gbit: 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 Signed-off-by: Himanshu Madhani Signed-off-by: Martin K. Petersen [ commit c3b6a1d397420a0fdd97af2f06abfb78adc370df upstream ] git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8640 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- qla2x00t-32gbit/qla_target.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/qla2x00t-32gbit/qla_target.c b/qla2x00t-32gbit/qla_target.c index b9b673cab..ea099552e 100644 --- a/qla2x00t-32gbit/qla_target.c +++ b/qla2x00t-32gbit/qla_target.c @@ -1033,6 +1033,7 @@ 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) { @@ -1042,6 +1043,9 @@ 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,