svn commit: r331775 - stable/11/sys/ofed/drivers/infiniband/core

[Hans Petter Selasky]

Author: hselasky
Date: Fri Mar 30 18:26:26 2018
New Revision: 331775
URL: https://svnweb.freebsd.org/changeset/base/331775

Log:
  MFC r330493:
  Make deletion of RoCE GID entries synchronous in ibcore.
  
  When a network device is departing, the RoCE GID entries should be
  cleared before the default L2 link layer address is freed. Else a NULL
  pointer access may happen.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/11/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c	Fri Mar 30 18:25:30 2018	(r331774)
+++ stable/11/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c	Fri Mar 30 18:26:26 2018	(r331775)
@@ -362,6 +362,9 @@ roce_gid_delete_all_event(struct net_device *ndev)
 	dev_hold(ndev);
 	work->ndev = ndev;
 	queue_work(roce_gid_mgmt_wq, &work->work);
+
+	/* make sure job is complete before returning */
+	flush_workqueue(roce_gid_mgmt_wq);
 }
 
 static int