svn commit: r361914 - stable/12/sys/netgraph/bluetooth/drivers/ubt

[Hans Petter Selasky]

Author: hselasky
Date: Mon Jun  8 09:30:08 2020
New Revision: 361914
URL: https://svnweb.freebsd.org/changeset/base/361914

Log:
  MFC r361582:
  Fix check for wMaxPacketSize in USB bluetooth driver,
  in case device is not FULL speed.
  
  Sponsored by:	Mellanox Technologies

Modified:
  stable/12/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c
==============================================================================
--- stable/12/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c	Mon Jun  8 09:29:08 2020	(r361913)
+++ stable/12/sys/netgraph/bluetooth/drivers/ubt/ng_ubt.c	Mon Jun  8 09:30:08 2020	(r361914)
@@ -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;