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Date: Mon, 20 Jul 2020 17:36:41 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Aharon Landau <aharonl@...lanox.com>, Maor Gottlieb <maorg@...lanox.com>, Leon Romanovsky <leonro@...lanox.com>, Jason Gunthorpe <jgg@...lanox.com> Subject: [PATCH 5.7 130/244] RDMA/mlx5: Verify that QP is created with RQ or SQ From: Aharon Landau <aharonl@...lanox.com> commit 0eacc574aae7300bf46c10c7116c3ba5825505b7 upstream. RAW packet QP and underlay QP must be created with either RQ or SQ, check that. Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters") Link: https://lore.kernel.org/r/20200427154636.381474-37-leon@kernel.org Signed-off-by: Aharon Landau <aharonl@...lanox.com> Reviewed-by: Maor Gottlieb <maorg@...lanox.com> Signed-off-by: Leon Romanovsky <leonro@...lanox.com> Signed-off-by: Jason Gunthorpe <jgg@...lanox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/infiniband/hw/mlx5/qp.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -1525,6 +1525,8 @@ static int create_raw_packet_qp(struct m u16 uid = to_mpd(pd)->uid; u32 out[MLX5_ST_SZ_DW(create_tir_out)] = {}; + if (!qp->sq.wqe_cnt && !qp->rq.wqe_cnt) + return -EINVAL; if (qp->sq.wqe_cnt) { err = create_raw_packet_qp_tis(dev, qp, sq, tdn, pd); if (err)
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