The GL3521 USB 3 hub on the odroid XU4 returns empty vendor and
product strings. That makes us skip the lookup in our own tables and
print a "vendor 0x05e3 pruduct 0x0616" string. Not sure if that's
intentional (can't think of a good reason). If it isn't, I propose
the diff below.
ok?
Index: usb_subr.c
===================================================================
RCS file: /cvs/src/sys/dev/usb/usb_subr.c,v
retrieving revision 1.131
diff -u -p -r1.131 usb_subr.c
--- usb_subr.c 19 Sep 2016 16:46:10 -0000 1.131
+++ usb_subr.c 11 Mar 2017 15:12:08 -0000
@@ -254,9 +254,9 @@ usbd_devinfo_vp(struct usbd_device *dev,
product = usbd_get_string(dev, udd->iProduct, p, pl);
usbd_trim_spaces(product);
} else {
- if (dev->vendor != NULL)
+ if (dev->vendor != NULL && *dev->vendor)
vendor = dev->vendor;
- if (dev->product != NULL)
+ if (dev->product != NULL && *dev->product)
product = dev->product;
}
#ifdef USBVERBOSE
