From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 28 Feb 2007 23:32:15 +0000 (-0600)
Subject: [SCSI] libiscsi: flush work before freeing connection
X-Git-Tag: v2.6.22-rc1~1015^2~80
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=779ea1207b6a43943faa44f41be7311263315604;p=karo-tx-linux.git

[SCSI] libiscsi: flush work before freeing connection

It's possible that we call iscsi_xmitworker after iscsi_conn_release
which causes a oops. This patch flushes the workqueue.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
---

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 7c75771c77ff..6346a913c36e 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1597,6 +1597,9 @@ void iscsi_conn_teardown(struct iscsi_cls_conn *cls_conn)
 		wake_up(&conn->ehwait);
 	}
 
+	/* flush queued up work because we free the connection below */
+	scsi_flush_work(session->host);
+
 	spin_lock_bh(&session->lock);
 	kfree(conn->data);
 	kfree(conn->persistent_address);