IB: When attrs.udata/ufile is available use that instead of uobject

The ucontext and ufile should not be accessed via the uobject, all these
cases have an attrs so use that instead.
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/core/rdma_core.c

@@ -128,7 +128,7 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj,
 				  enum rdma_remove_reason reason,
 				  struct uverbs_attr_bundle *attrs)
 {
-	struct ib_uverbs_file *ufile = uobj->ufile;
+	struct ib_uverbs_file *ufile = attrs->ufile;
 	unsigned long flags;
 	int ret;
 
@@ -200,7 +200,7 @@ static int uverbs_destroy_uobject(struct ib_uobject *uobj,
  */
 int uobj_destroy(struct ib_uobject *uobj, struct uverbs_attr_bundle *attrs)
 {
-	struct ib_uverbs_file *ufile = uobj->ufile;
+	struct ib_uverbs_file *ufile = attrs->ufile;
 	int ret;
 
 	down_read(&ufile->hw_destroy_rwsem);
@@ -655,7 +655,7 @@ static int alloc_commit_fd_uobject(struct ib_uobject *uobj)
 int __must_check rdma_alloc_commit_uobject(struct ib_uobject *uobj,
 					   struct uverbs_attr_bundle *attrs)
 {
-	struct ib_uverbs_file *ufile = uobj->ufile;
+	struct ib_uverbs_file *ufile = attrs->ufile;
 	int ret;
 
 	/* alloc_commit consumes the uobj kref */

drivers/infiniband/core/uverbs_std_types_counters.c

@@ -54,7 +54,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_COUNTERS_CREATE)(
 {
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(
 		attrs, UVERBS_ATTR_CREATE_COUNTERS_HANDLE);
-	struct ib_device *ib_dev = uobj->context->device;
+	struct ib_device *ib_dev = attrs->context->device;
 	struct ib_counters *counters;
 	int ret;
 

drivers/infiniband/core/uverbs_std_types_cq.c

@@ -64,7 +64,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_CQ_CREATE)(
 	struct ib_ucq_object *obj = container_of(
 		uverbs_attr_get_uobject(attrs, UVERBS_ATTR_CREATE_CQ_HANDLE),
 		typeof(*obj), uobject);
-	struct ib_device *ib_dev = obj->uobject.context->device;
+	struct ib_device *ib_dev = attrs->context->device;
 	int ret;
 	u64 user_handle;
 	struct ib_cq_init_attr attr = {};

drivers/infiniband/core/uverbs_std_types_dm.c

@@ -55,7 +55,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
 	struct ib_uobject *uobj =
 		uverbs_attr_get(attrs, UVERBS_ATTR_ALLOC_DM_HANDLE)
 			->obj_attr.uobject;
-	struct ib_device *ib_dev = uobj->context->device;
+	struct ib_device *ib_dev = attrs->context->device;
 	struct ib_dm *dm;
 	int ret;
 
@@ -72,7 +72,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_DM_ALLOC)(
 	if (ret)
 		return ret;
 
-	dm = ib_dev->ops.alloc_dm(ib_dev, uobj->context, &attr, attrs);
+	dm = ib_dev->ops.alloc_dm(ib_dev, attrs->context, &attr, attrs);
 	if (IS_ERR(dm))
 		return PTR_ERR(dm);
 

drivers/infiniband/core/uverbs_std_types_flow_action.c

@@ -310,7 +310,7 @@ static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(
 {
 	struct ib_uobject *uobj = uverbs_attr_get_uobject(
 		attrs, UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE);
-	struct ib_device *ib_dev = uobj->context->device;
+	struct ib_device *ib_dev = attrs->context->device;
 	int				  ret;
 	struct ib_flow_action		  *action;
 	struct ib_flow_action_esp_attr	  esp_attr = {};

include/rdma/uverbs_std_types.h

@@ -128,7 +128,7 @@ __uobj_alloc(const struct uverbs_api_object *obj,
 		rdma_alloc_begin_uobject(obj, attrs->ufile, attrs);
 
 	if (!IS_ERR(uobj))
-		*ib_dev = uobj->context->device;
+		*ib_dev = attrs->context->device;
 	return uobj;
 }