From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 28 Oct 2005 17:20:57 +0000 (+0200)
Subject: [Bluetooth] Ignore additional interfaces of BPA 100/105 devices
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=245dc3d19b6ff7db42c9f3cca9006c8db59e2dee;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

[Bluetooth] Ignore additional interfaces of BPA 100/105 devices

If a BPA 100/105 device contains more then one interface then ignore the
additional interfaces, because they are unused.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 4fa85234d8b5..0db0400519c9 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -550,6 +550,9 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
 	if (ignore)
 		return -ENODEV;
 
+	if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
+		return -ENODEV;
+
 	data = kmalloc(sizeof(*data), GFP_KERNEL);
 	if (!data) {
 		BT_ERR("Can't allocate data structure");