diff options
| author | Eli Cohen <eli@mellanox.com> | 2016-10-27 16:36:46 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2016-11-16 20:03:44 -0500 |
| commit | a1ab8402d15d2305d2315d96ec3294bfdf16587e (patch) | |
| tree | de32b4419cf2121d2a3d66d6667ef37f65d54d95 /drivers/infiniband | |
| parent | dbaaff2a2caa03d472b5cc53a3fbfd415c97dc26 (diff) | |
IB/mlx5: Fix NULL pointer dereference on debug print
For XRC QP CQs may not exist. Check before attempting dereference.
Fixes: e126ba97dba9 ('mlx5: Add driver for Mellanox Connect-IB adapters')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 2be0d06b27dc..59c4c89460d1 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -2052,8 +2052,8 @@ struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd, mlx5_ib_dbg(dev, "ib qpnum 0x%x, mlx qpn 0x%x, rcqn 0x%x, scqn 0x%x\n", qp->ibqp.qp_num, qp->trans_qp.base.mqp.qpn, - to_mcq(init_attr->recv_cq)->mcq.cqn, - to_mcq(init_attr->send_cq)->mcq.cqn); + init_attr->recv_cq ? to_mcq(init_attr->recv_cq)->mcq.cqn : -1, + init_attr->send_cq ? to_mcq(init_attr->send_cq)->mcq.cqn : -1); qp->trans_qp.xrcdn = xrcdn; |