diff options
| author |   Leon Romanovsky <leonro@nvidia.com> | 2021-08-03 21:20:37 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@nvidia.com> | 2021-08-03 15:26:19 -0300 |
| commit | 5507f67d08cdd947714647caa5c60f96b719fcb7 (patch) | |
| tree | 3b823fd6a865f7a3759ecf11ceed86a33dc8be8a /drivers/infiniband/core/uverbs_std_types_qp.c | |
| parent | RDMA/core: Configure selinux QP during creation (diff) | |
| download | linux-dev-5507f67d08cdd947714647caa5c60f96b719fcb7.tar.xz linux-dev-5507f67d08cdd947714647caa5c60f96b719fcb7.zip | |
RDMA/core: Properly increment and decrement QP usecnts
The QP usecnts were incremented through QP attributes structure while
decreased through QP itself. Rely on the ib_creat_qp_user() code that
initialized all QP parameters prior returning to the user and increment
exactly like destroy does.
Link: https://lore.kernel.org/r/25d256a3bb1fc480b77d7fe439817b993de48610.1628014762.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types_qp.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_qp.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_qp.c b/drivers/infiniband/core/uverbs_std_types_qp.c index 92812f6a21b0..a0e734735ba5 100644 --- a/drivers/infiniband/core/uverbs_std_types_qp.c +++ b/drivers/infiniband/core/uverbs_std_types_qp.c @@ -258,18 +258,9 @@ static int UVERBS_HANDLER(UVERBS_METHOD_QP_CREATE)( ret = PTR_ERR(qp); goto err_put; } + ib_qp_usecnt_inc(qp); - if (attr.qp_type != IB_QPT_XRC_TGT) { - atomic_inc(&pd->usecnt); - if (attr.send_cq) - atomic_inc(&attr.send_cq->usecnt); - if (attr.recv_cq) - atomic_inc(&attr.recv_cq->usecnt); - if (attr.srq) - atomic_inc(&attr.srq->usecnt); - if (attr.rwq_ind_tbl) - atomic_inc(&attr.rwq_ind_tbl->usecnt); - } else { + if (attr.qp_type == IB_QPT_XRC_TGT) { obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, uobject); atomic_inc(&obj->uxrcd->refcnt); |