diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2024-08-27 17:06:28 -0400 |
| commit | 04cf420bbc32a599aa2481725f708435ea19bf3d (patch) | |
| tree | 232b7a3c36adc63c92ca60ec39ed5f031c2e5c53 /drivers/hid/bpf/hid_bpf_struct_ops.c | |
| parent | 67733d7a71503fd3e32eeada371f8aa2516c5c95 (diff) | |
| parent | e55ef65510a401862b902dc979441ea10ae25c61 (diff) | |
Merge drm/drm-next into drm-intel-next
Need to take some Xe bo definition in here before
we can add the BMG display 64k aligned size restrictions.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/hid/bpf/hid_bpf_struct_ops.c')
| -rw-r--r-- | drivers/hid/bpf/hid_bpf_struct_ops.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/bpf/hid_bpf_struct_ops.c b/drivers/hid/bpf/hid_bpf_struct_ops.c index f59cce6e437f..cd696c59ba0f 100644 --- a/drivers/hid/bpf/hid_bpf_struct_ops.c +++ b/drivers/hid/bpf/hid_bpf_struct_ops.c @@ -183,6 +183,10 @@ static int hid_bpf_reg(void *kdata, struct bpf_link *link) struct hid_device *hdev; int count, err = 0; + /* prevent multiple attach of the same struct_ops */ + if (ops->hdev) + return -EINVAL; + hdev = hid_get_device(ops->hid_id); if (IS_ERR(hdev)) return PTR_ERR(hdev); @@ -248,6 +252,7 @@ static void hid_bpf_unreg(void *kdata, struct bpf_link *link) list_del_rcu(&ops->list); synchronize_srcu(&hdev->bpf.srcu); + ops->hdev = NULL; reconnect = hdev->bpf.rdesc_ops == ops; if (reconnect) |