diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/hid/hid-core.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index da52279de93..a5c7927c9bd 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -842,7 +842,17 @@ struct hid_report *hid_validate_values(struct hid_device *hid, * ->numbered being checked, which may not always be the case when * drivers go to access report values. */ - report = hid->report_enum[type].report_id_hash[id]; + if (id == 0) { + /* + * Validating on id 0 means we should examine the first + * report in the list. + */ + report = list_entry( + hid->report_enum[type].report_list.next, + struct hid_report, list); + } else { + report = hid->report_enum[type].report_id_hash[id]; + } if (!report) { hid_err(hid, "missing %s %u\n", hid_report_names[type], id); return NULL; |