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-rw-r--r--drivers/hid/hid-core.c11
-rw-r--r--include/linux/hid.h1
-rw-r--r--net/bluetooth/hidp/core.c9
3 files changed, 17 insertions, 4 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index a7550bb..2629d52 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2145,8 +2145,13 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
{ }
};
-static bool hid_ignore(struct hid_device *hdev)
+bool hid_ignore(struct hid_device *hdev)
{
+ if (hdev->quirks & HID_QUIRK_NO_IGNORE)
+ return false;
+ if (hdev->quirks & HID_QUIRK_IGNORE)
+ return true;
+
switch (hdev->vendor) {
case USB_VENDOR_ID_CODEMERCS:
/* ignore all Code Mercenaries IOWarrior devices */
@@ -2201,6 +2206,7 @@ static bool hid_ignore(struct hid_device *hdev)
return !!hid_match_id(hdev, hid_ignore_list);
}
+EXPORT_SYMBOL_GPL(hid_ignore);
int hid_add_device(struct hid_device *hdev)
{
@@ -2212,8 +2218,7 @@ int hid_add_device(struct hid_device *hdev)
/* we need to kill them here, otherwise they will stay allocated to
* wait for coming driver */
- if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
- && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
+ if (hid_ignore(hdev))
return -ENODEV;
/*
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 7e1f37d..abce7eb 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -721,6 +721,7 @@ struct hid_ll_driver {
extern int hid_debug;
+extern bool hid_ignore(struct hid_device *);
extern int hid_add_device(struct hid_device *);
extern void hid_destroy_device(struct hid_device *);
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index ccd985d..1f4a32b 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -941,6 +941,13 @@ static int hidp_setup_hid(struct hidp_session *session,
hid->hid_get_raw_report = hidp_get_raw_report;
hid->hid_output_raw_report = hidp_output_raw_report;
+ /* True if device is blacklisted in drivers/hid/hid-core.c */
+ if (hid_ignore(hid)) {
+ hid_destroy_device(session->hid);
+ session->hid = NULL;
+ return -ENODEV;
+ }
+
return 0;
fault:
@@ -1013,7 +1020,7 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
if (req->rd_size > 0) {
err = hidp_setup_hid(session, req);
- if (err)
+ if (err && err != -ENODEV)
goto purge;
}
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