diff options
Diffstat (limited to 'drivers/hid/bpf/hid_bpf_dispatch.c')
| -rw-r--r-- | drivers/hid/bpf/hid_bpf_dispatch.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/hid/bpf/hid_bpf_dispatch.c b/drivers/hid/bpf/hid_bpf_dispatch.c index 2e96ec6a3073..9a06f9b0e4ef 100644 --- a/drivers/hid/bpf/hid_bpf_dispatch.c +++ b/drivers/hid/bpf/hid_bpf_dispatch.c @@ -38,6 +38,9 @@ dispatch_hid_bpf_device_event(struct hid_device *hdev, enum hid_report_type type struct hid_bpf_ops *e; int ret; + if (unlikely(hdev->bpf.destroyed)) + return ERR_PTR(-ENODEV); + if (type >= HID_REPORT_TYPES) return ERR_PTR(-EINVAL); @@ -93,6 +96,9 @@ int dispatch_hid_bpf_raw_requests(struct hid_device *hdev, struct hid_bpf_ops *e; int ret, idx; + if (unlikely(hdev->bpf.destroyed)) + return -ENODEV; + if (rtype >= HID_REPORT_TYPES) return -EINVAL; @@ -130,6 +136,9 @@ int dispatch_hid_bpf_output_report(struct hid_device *hdev, struct hid_bpf_ops *e; int ret, idx; + if (unlikely(hdev->bpf.destroyed)) + return -ENODEV; + idx = srcu_read_lock(&hdev->bpf.srcu); list_for_each_entry_srcu(e, &hdev->bpf.prog_list, list, srcu_read_lock_held(&hdev->bpf.srcu)) { |