[src/trunk]: src/sys/dev/iscsi Schedule command timeout without connection lo...

[mlelstv <mlelstv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1fb612207cb1
branches:  trunk
changeset: 379556:1fb612207cb1
user:      mlelstv <mlelstv%NetBSD.org@localhost>
date:      Sun Jun 06 10:39:10 2021 +0000

description:
Schedule command timeout without connection lock being held to prevent
a deadlock.

diffstat:

 sys/dev/iscsi/iscsi_send.c |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (21 lines):

diff -r ed7ed7461465 -r 1fb612207cb1 sys/dev/iscsi/iscsi_send.c
--- a/sys/dev/iscsi/iscsi_send.c        Sun Jun 06 08:45:18 2021 +0000
+++ b/sys/dev/iscsi/iscsi_send.c        Sun Jun 06 10:39:10 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: iscsi_send.c,v 1.37 2018/03/04 07:39:45 mlelstv Exp $  */
+/*     $NetBSD: iscsi_send.c,v 1.38 2021/06/06 10:39:10 mlelstv Exp $  */
 
 /*-
  * Copyright (c) 2004,2005,2006,2011 The NetBSD Foundation, Inc.
@@ -548,9 +548,10 @@ resend_pdu(ccb_t *ccb)
        } else {
                TAILQ_INSERT_TAIL(&conn->c_pdus_to_send, pdu, pdu_send_chain);
        }
-       ccb_timeout_start(ccb, COMMAND_TIMEOUT);
        cv_broadcast(&conn->c_conn_cv);
        mutex_exit(&conn->c_lock);
+
+       ccb_timeout_start(ccb, COMMAND_TIMEOUT);
 }