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| author | hselasky <hselasky@FreeBSD.org> | 2015-01-28 19:41:31 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2015-01-28 19:41:31 +0000 |
| commit | 8f49a6a1cbf222f4718aa15691834c23f73819a2 (patch) | |
| tree | c78fa1495dc5cc116bb5ff5104559049ef6bb8b8 /sys/dev/usb | |
| parent | bad15605e4ea23b91de9e414acefb14de141a71e (diff) | |
| download | FreeBSD-src-8f49a6a1cbf222f4718aa15691834c23f73819a2.zip FreeBSD-src-8f49a6a1cbf222f4718aa15691834c23f73819a2.tar.gz | |
MFC r277417:
Fix returned data for the USB_GET_DEV_PORT_PATH IOCTL in particular
the value returned in the "udp_port_level" field.
Diffstat (limited to 'sys/dev/usb')
| -rw-r--r-- | sys/dev/usb/usb_generic.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/sys/dev/usb/usb_generic.c b/sys/dev/usb/usb_generic.c index 4ebd557..b12ae0e 100644 --- a/sys/dev/usb/usb_generic.c +++ b/sys/dev/usb/usb_generic.c @@ -1850,14 +1850,13 @@ ugen_get_port_path(struct usb_fifo *f, struct usb_device_port_path *dpp) if (nlevel > USB_DEVICE_PORT_PATH_MAX) goto error; + /* store total level of ports */ + dpp->udp_port_level = nlevel; + /* store port index array */ next = udev; while (next->parent_hub != NULL) { - nlevel--; - - dpp->udp_port_no[nlevel] = next->port_no; - dpp->udp_port_level = nlevel; - + dpp->udp_port_no[--nlevel] = next->port_no; next = next->parent_hub; } return (0); /* success */ |
