| Message ID | 20220513124303.2192981-1-zheyuma97@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | bluetooth: bfusb: Check the endpoint type at probe | expand |
diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c index cab93935cc7f..447b6876c552 100644 --- a/drivers/bluetooth/bfusb.c +++ b/drivers/bluetooth/bfusb.c @@ -613,7 +613,9 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i bulk_out_ep = &intf->cur_altsetting->endpoint[0]; bulk_in_ep = &intf->cur_altsetting->endpoint[1]; - if (!bulk_out_ep || !bulk_in_ep) { + if (!bulk_out_ep || !bulk_in_ep || + !usb_endpoint_is_bulk_out(&bulk_out_ep->desc) || + !usb_endpoint_is_bulk_in(&bulk_in_ep->desc)) { BT_ERR("Bulk endpoints not found"); goto done; }
The driver reported an warning in usb_submit_urb() which is caused by wrong endpoint type. [ 3.295630] usb 1-1: BOGUS urb xfer, pipe 3 != type 1 [ 3.295916] WARNING: CPU: 0 PID: 33 at drivers/usb/core/urb.c:503 usb_submit_urb+0xcd9/0x18b0 [ 3.298155] RIP: 0010:usb_submit_urb+0xcd9/0x18b0 [ 3.302451] Call Trace: [ 3.302580] <TASK> [ 3.302698] bfusb_rx_submit+0x24e/0x390 [bfusb] [ 3.302938] bfusb_open+0x50/0x90 [bfusb] Fix this by checking the endpoint type at first. Signed-off-by: Zheyu Ma <zheyuma97@gmail.com> --- drivers/bluetooth/bfusb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)