mdev_sysfs.c (bdef2b7896df293736330eb6eb0f43947049b828) mdev_sysfs.c (89345d5177aa0f6d678251e1e0870b0eeb1ab510)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * File attributes for Mediated devices
4 *
5 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
6 * Author: Neo Jia <cjia@nvidia.com>
7 * Kirti Wankhede <kwankhede@nvidia.com>
8 */

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76static MDEV_TYPE_ATTR_WO(create);
77
78static void mdev_type_release(struct kobject *kobj)
79{
80 struct mdev_type *type = to_mdev_type(kobj);
81
82 pr_debug("Releasing group %s\n", kobj->name);
83 /* Pairs with the get in add_mdev_supported_type() */
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * File attributes for Mediated devices
4 *
5 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
6 * Author: Neo Jia <cjia@nvidia.com>
7 * Kirti Wankhede <kwankhede@nvidia.com>
8 */

--- 67 unchanged lines hidden (view full) ---

76static MDEV_TYPE_ATTR_WO(create);
77
78static void mdev_type_release(struct kobject *kobj)
79{
80 struct mdev_type *type = to_mdev_type(kobj);
81
82 pr_debug("Releasing group %s\n", kobj->name);
83 /* Pairs with the get in add_mdev_supported_type() */
84 mdev_put_parent(type->parent);
84 put_device(type->parent->dev);
85 kfree(type);
86}
87
88static struct kobj_type mdev_type_ktype = {
89 .sysfs_ops = &mdev_type_sysfs_ops,
90 .release = mdev_type_release,
91};
92

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105
106 type = kzalloc(sizeof(*type), GFP_KERNEL);
107 if (!type)
108 return ERR_PTR(-ENOMEM);
109
110 type->kobj.kset = parent->mdev_types_kset;
111 type->parent = parent;
112 /* Pairs with the put in mdev_type_release() */
85 kfree(type);
86}
87
88static struct kobj_type mdev_type_ktype = {
89 .sysfs_ops = &mdev_type_sysfs_ops,
90 .release = mdev_type_release,
91};
92

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105
106 type = kzalloc(sizeof(*type), GFP_KERNEL);
107 if (!type)
108 return ERR_PTR(-ENOMEM);
109
110 type->kobj.kset = parent->mdev_types_kset;
111 type->parent = parent;
112 /* Pairs with the put in mdev_type_release() */
113 mdev_get_parent(parent);
113 get_device(parent->dev);
114 type->type_group_id = type_group_id;
115
116 ret = kobject_init_and_add(&type->kobj, &mdev_type_ktype, NULL,
117 "%s-%s", dev_driver_string(parent->dev),
118 group->name);
119 if (ret) {
120 kobject_put(&type->kobj);
121 return ERR_PTR(ret);

--- 164 unchanged lines hidden --- 		114 type->type_group_id = type_group_id;
115
116 ret = kobject_init_and_add(&type->kobj, &mdev_type_ktype, NULL,
117 "%s-%s", dev_driver_string(parent->dev),
118 group->name);
119 if (ret) {
120 kobject_put(&type->kobj);
121 return ERR_PTR(ret);

--- 164 unchanged lines hidden ---