From: Parav Pandit Date: Thu, 12 Dec 2019 09:12:13 +0000 (+0200) Subject: IB/mlx4: Follow mirror sequence of device add during device removal X-Git-Tag: v3.16.83~137 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d12d80d9b64eef1e413c3dca08a6e92b3cc9e094;p=thirdparty%2Fkernel%2Fstable.git IB/mlx4: Follow mirror sequence of device add during device removal 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 Reviewed-by: Maor Gottlieb Signed-off-by: Leon Romanovsky Link: https://lore.kernel.org/r/20191212091214.315005-3-leon@kernel.org Signed-off-by: Doug Ledford [bwh: Backported to 3.16: No need to call mlx4_ib_diag_cleanup()] Signed-off-by: Ben Hutchings --- diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 068630ccc6bb6..401f556d954c7 100644 --- 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_dev *dev, void *ibdev_ptr) 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);