Author: hselasky
Date: Mon Mar 5 11:57:26 2018
New Revision: 330493
URL: https://svnweb.freebsd.org/changeset/base/330493
Log:
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.
MFC after: 1 week
Sponsored by: Mellanox Technologies
Modified:
head/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c
Modified: head/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c
==============================================================================
--- head/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c Mon Mar 5
11:55:29 2018 (r330492)
+++ head/sys/ofed/drivers/infiniband/core/ib_roce_gid_mgmt.c Mon Mar 5
11:57:26 2018 (r330493)
@@ -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
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