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usb(4): Check return value from bus_generic_get_device_path().

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MFC after:		1 week
Sponsored by:		NVIDIA Networking
This commit is contained in:
Hans Petter Selasky 2022-03-17 15:23:46 +01:00
parent 5e203517e0
commit 6bce8a35cf
1 changed files with 2 additions and 0 deletions
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2
sys/dev/usb/usb_hub.c
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@ -1683,6 +1683,8 @@ uhub_get_device_path(device_t bus, device_t child, const char *locator,
if (strcmp(locator, BUS_LOCATOR_UEFI) == 0) {
rv = bus_generic_get_device_path(device_get_parent(bus), bus, locator, sb);
if (rv != 0)
return (rv);
sc = device_get_softc(bus);
hub = sc->sc_udev->hub;