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Date:      Fri, 24 Nov 2017 09:55:20 +0000 (UTC)
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r326149 - projects/bsd_rdma_4_9/sys/ofed/drivers/infiniband/ulp/ipoib
Message-ID:  <201711240955.vAO9tK2q034752@repo.freebsd.org>

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Author: hselasky
Date: Fri Nov 24 09:55:20 2017
New Revision: 326149
URL: https://svnweb.freebsd.org/changeset/base/326149

Log:
  Make sure all tasks are cancelled synchronously in ipoib to avoid
  use after free.
  
  Sponsored by:	Mellanox Technologies

Modified:
  projects/bsd_rdma_4_9/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c

Modified: projects/bsd_rdma_4_9/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c
==============================================================================
--- projects/bsd_rdma_4_9/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c	Fri Nov 24 09:52:56 2017	(r326148)
+++ projects/bsd_rdma_4_9/sys/ofed/drivers/infiniband/ulp/ipoib/ipoib_cm.c	Fri Nov 24 09:55:20 2017	(r326149)
@@ -830,7 +830,7 @@ void ipoib_cm_dev_stop(struct ipoib_dev_priv *priv)
 
 	ipoib_cm_free_rx_reap_list(priv);
 
-	cancel_delayed_work(&priv->cm.stale_task);
+	cancel_delayed_work_sync(&priv->cm.stale_task);
 }
 
 static int ipoib_cm_rep_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)



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