From 9db339b27f903add3e85b6448c6ca4681450c187 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 8 May 2024 06:17:38 +0200 Subject: Adding upstream version 4.19.289. Signed-off-by: Daniel Baumann --- drivers/usb/misc/sisusbvga/sisusb.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'drivers/usb/misc') diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c index 4877bf82a..6a68a9f8d 100644 --- a/drivers/usb/misc/sisusbvga/sisusb.c +++ b/drivers/usb/misc/sisusbvga/sisusb.c @@ -3016,6 +3016,20 @@ static int sisusb_probe(struct usb_interface *intf, struct usb_device *dev = interface_to_usbdev(intf); struct sisusb_usb_data *sisusb; int retval = 0, i; + static const u8 ep_addresses[] = { + SISUSB_EP_GFX_IN | USB_DIR_IN, + SISUSB_EP_GFX_OUT | USB_DIR_OUT, + SISUSB_EP_GFX_BULK_OUT | USB_DIR_OUT, + SISUSB_EP_GFX_LBULK_OUT | USB_DIR_OUT, + SISUSB_EP_BRIDGE_IN | USB_DIR_IN, + SISUSB_EP_BRIDGE_OUT | USB_DIR_OUT, + 0}; + + /* Are the expected endpoints present? */ + if (!usb_check_bulk_endpoints(intf, ep_addresses)) { + dev_err(&intf->dev, "Invalid USB2VGA device\n"); + return -EINVAL; + } dev_info(&dev->dev, "USB2VGA dongle found at address %d\n", dev->devnum); -- cgit v1.2.3