diff options
| author | Matan Barak <matanb@mellanox.com> | 2018-05-31 16:43:28 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leonro@mellanox.com> | 2018-06-02 07:33:53 +0300 |
| commit | 3efa38125b81fb4eb7dbb43295cb82a203dc0398 (patch) | |
| tree | b70ce7fe0a8d71a80fb8483ffc2447a5a530c0c8 /drivers/infiniband | |
| parent | 5f9bf63ae80c4d0e5e986b6c1280bf8174978545 (diff) | |
IB/uverbs: Add an ib_uobject getter to ioctl() infrastructure
Previously, the user had to dig inside the attribute to get the uobject.
Add a helper function that correctly extract it (and do the required
checks) for him/her.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_cq.c | 23 | ||||
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_flow_action.c | 4 |
2 files changed, 14 insertions, 13 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_cq.c b/drivers/infiniband/core/uverbs_std_types_cq.c index b0dbae9dd0d7..3d293d01afea 100644 --- a/drivers/infiniband/core/uverbs_std_types_cq.c +++ b/drivers/infiniband/core/uverbs_std_types_cq.c @@ -65,7 +65,6 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev, struct ib_cq_init_attr attr = {}; struct ib_cq *cq; struct ib_uverbs_completion_event_file *ev_file = NULL; - const struct uverbs_attr *ev_file_attr; struct ib_uobject *ev_file_uobj; if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_CREATE_CQ)) @@ -87,10 +86,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev, UVERBS_ATTR_CREATE_CQ_FLAGS))) return -EFAULT; - ev_file_attr = uverbs_attr_get(attrs, UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL); - if (!IS_ERR(ev_file_attr)) { - ev_file_uobj = ev_file_attr->obj_attr.uobject; - + ev_file_uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_CQ_COMP_CHANNEL); + if (!IS_ERR(ev_file_uobj)) { ev_file = container_of(ev_file_uobj, struct ib_uverbs_completion_event_file, uobj_file.uobj); @@ -102,8 +99,8 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(struct ib_device *ib_dev, goto err_event_file; } - obj = container_of(uverbs_attr_get(attrs, - UVERBS_ATTR_CREATE_CQ_HANDLE)->obj_attr.uobject, + obj = container_of(uverbs_attr_get_uobject(attrs, + UVERBS_ATTR_CREATE_CQ_HANDLE), typeof(*obj), uobject); obj->uverbs_file = ucontext->ufile; obj->comp_events_reported = 0; @@ -170,13 +167,17 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_DESTROY)(struct ib_device *ib_dev, struct ib_uverbs_file *file, struct uverbs_attr_bundle *attrs) { - struct ib_uverbs_destroy_cq_resp resp; struct ib_uobject *uobj = - uverbs_attr_get(attrs, UVERBS_ATTR_DESTROY_CQ_HANDLE)->obj_attr.uobject; - struct ib_ucq_object *obj = container_of(uobj, struct ib_ucq_object, - uobject); + uverbs_attr_get_uobject(attrs, UVERBS_ATTR_DESTROY_CQ_HANDLE); + struct ib_uverbs_destroy_cq_resp resp; + struct ib_ucq_object *obj; int ret; + if (IS_ERR(uobj)) + return PTR_ERR(uobj); + + obj = container_of(uobj, struct ib_ucq_object, uobject); + if (!(ib_dev->uverbs_cmd_mask & 1ULL << IB_USER_VERBS_CMD_DESTROY_CQ)) return -EOPNOTSUPP; diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c index cbcec3da12f6..00e6b34bc16b 100644 --- a/drivers/infiniband/core/uverbs_std_types_flow_action.c +++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c @@ -320,7 +320,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(struct ib_device return ret; /* No need to check as this attribute is marked as MANDATORY */ - uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject; + uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE); action = ib_dev->create_flow_action_esp(ib_dev, &esp_attr.hdr, attrs); if (IS_ERR(action)) return PTR_ERR(action); @@ -350,7 +350,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(struct ib_device if (ret) return ret; - uobj = uverbs_attr_get(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE)->obj_attr.uobject; + uobj = uverbs_attr_get_uobject(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_HANDLE); action = uobj->object; if (action->type != IB_FLOW_ACTION_ESP) |