3.16.83-rc1 review patch. If anyone has any objections, please let me know.
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From: Parav Pandit parav@mellanox.com
commit 89f988d93c62384758b19323c886db917a80c371 upstream.
Current code device add sequence is:
ib_register_device() ib_mad_init() init_sriov_init() register_netdev_notifier()
Therefore, the remove sequence should be,
unregister_netdev_notifier() close_sriov() mad_cleanup() ib_unregister_device()
However it is not above. Hence, make do above remove sequence.
Fixes: fa417f7b520ee ("IB/mlx4: Add support for IBoE") Signed-off-by: Parav Pandit parav@mellanox.com Reviewed-by: Maor Gottlieb maorg@mellanox.com Signed-off-by: Leon Romanovsky leonro@mellanox.com Link: https://lore.kernel.org/r/20191212091214.315005-3-leon@kernel.org Signed-off-by: Doug Ledford dledford@redhat.com [bwh: Backported to 3.16: No need to call mlx4_ib_diag_cleanup()] Signed-off-by: Ben Hutchings ben@decadent.org.uk --- --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2372,15 +2372,16 @@ static void mlx4_ib_remove(struct mlx4_d ibdev->ib_active = false; flush_workqueue(wq);
- mlx4_ib_close_sriov(ibdev); - mlx4_ib_mad_cleanup(ibdev); - ib_unregister_device(&ibdev->ib_dev); if (ibdev->iboe.nb.notifier_call) { if (unregister_netdevice_notifier(&ibdev->iboe.nb)) pr_warn("failure unregistering notifier\n"); ibdev->iboe.nb.notifier_call = NULL; }
+ mlx4_ib_close_sriov(ibdev); + mlx4_ib_mad_cleanup(ibdev); + ib_unregister_device(&ibdev->ib_dev); + mlx4_qp_release_range(dev, ibdev->steer_qpn_base, ibdev->steer_qpn_count); kfree(ibdev->ib_uc_qpns_bitmap);