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Date: Sun, 11 Feb 2018 04:31:11 +0000 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org CC: akpm@...ux-foundation.org, "Yishai Hadas" <yishaih@...lanox.com>, "Doug Ledford" <dledford@...hat.com>, "Majd Dibbiny" <majd@...lanox.com>, "Leon Romanovsky" <leon@...nel.org> Subject: [PATCH 3.16 077/136] IB/mlx5: Assign send CQ and recv CQ of UMR QP 3.16.54-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Majd Dibbiny <majd@...lanox.com> commit 31fde034a8bd964a5c7c1a5663fc87a913158db2 upstream. The UMR's QP is created by calling mlx5_ib_create_qp directly, and therefore the send CQ and the recv CQ on the ibqp weren't assigned. Assign them right after calling the mlx5_ib_create_qp to assure that any access to those pointers will work as expected and won't crash the system as might happen as part of reset flow. Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Signed-off-by: Majd Dibbiny <majd@...lanox.com> Reviewed-by: Yishai Hadas <yishaih@...lanox.com> Signed-off-by: Leon Romanovsky <leon@...nel.org> Signed-off-by: Doug Ledford <dledford@...hat.com> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- drivers/infiniband/hw/mlx5/main.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1164,6 +1164,8 @@ static int create_umr_res(struct mlx5_ib qp->real_qp = qp; qp->uobject = NULL; qp->qp_type = MLX5_IB_QPT_REG_UMR; + qp->send_cq = init_attr->send_cq; + qp->recv_cq = init_attr->recv_cq; attr->qp_state = IB_QPS_INIT; attr->port_num = 1;
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