UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

IB/mlx5: Fix NULL pointer dereference on debug print 

For XRC QP CQs may not exist. Check before attempting dereference.

Fixes: e126ba97db ('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>
This commit is contained in:
Eli Cohen 2016-10-27 16:36:46 +03:00 committed by Doug Ledford
parent dbaaff2a2c
commit a1ab8402d1
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/infiniband/hw/mlx5/qp.c
View File

@ -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;