Author: hselasky
Date: Thu May 28 08:41:18 2020
New Revision: 361582
URL: https://svnweb.freebsd.org/changeset/base/361582
Log:
Fix check for wMaxPacketSize in USB bluetooth driver,
in case device is not FULL speed.
MFC after: 3 days
Sponsored by: Mellanox Technologies
Modified:
head/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c
Modified: head/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c
==============================================================================
--- head/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c Thu May 28 08:38:25
2020 (r361581)
+++ head/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c Thu May 28 08:41:18
2020 (r361582)
@@ -623,7 +623,7 @@ ubt_attach(device_t dev)
struct usb_endpoint_descriptor *ed;
struct usb_interface_descriptor *id;
struct usb_interface *iface;
- uint16_t wMaxPacketSize;
+ uint32_t wMaxPacketSize;
uint8_t alt_index, i, j;
uint8_t iface_index[2] = { 0, 1 };
@@ -713,9 +713,10 @@ ubt_attach(device_t dev)
if ((ed->bDescriptorType == UDESC_ENDPOINT) &&
(ed->bLength >= sizeof(*ed)) &&
(i == 1)) {
- uint16_t temp;
+ uint32_t temp;
- temp = UGETW(ed->wMaxPacketSize);
+ temp = usbd_get_max_frame_length(
+ ed, NULL, usbd_get_speed(uaa->device));
if (temp > wMaxPacketSize) {
wMaxPacketSize = temp;
alt_index = j;
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