From: Marcel Holtmann <marcel@holtmann.org>
To: Zheyu Ma <zheyuma97@gmail.com>
Cc: Johan Hedberg <johan.hedberg@gmail.com>,
Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
BlueZ <linux-bluetooth@vger.kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] bluetooth: bfusb: Check the endpoint type at probe
Date: Fri, 13 May 2022 14:53:14 +0200 [thread overview]
Message-ID: <E8995590-F2D5-4E8E-80EF-874AFFB72784@holtmann.org> (raw)
In-Reply-To: <20220513124303.2192981-1-zheyuma97@gmail.com>
Hi Zheyu,
> 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(-)
>
> 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;
> }
how are you getting this. This driver only works on one specific piece of hardware.
Regards
Marcel
next prev parent reply other threads:[~2022-05-13 12:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-13 12:43 [PATCH] bluetooth: bfusb: Check the endpoint type at probe Zheyu Ma
2022-05-13 12:53 ` Marcel Holtmann [this message]
2022-05-13 13:25 ` Zheyu Ma
2022-05-13 13:48 ` bluez.test.bot
2022-05-13 14:07 ` [PATCH v2] Bluetooth: " Zheyu Ma
2022-05-13 14:39 ` [v2] " bluez.test.bot
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