lkml.org 
[lkml]   [2022]   [May]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] bluetooth: bfusb: Check the endpoint type at probe
Date
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;
}
--
2.25.1
\
 
 \ /
  Last update: 2022-05-13 14:45    [W:0.064 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site