diff options
Diffstat (limited to 'sys/dev/usb/uhidev.c')
| -rw-r--r-- | sys/dev/usb/uhidev.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/sys/dev/usb/uhidev.c b/sys/dev/usb/uhidev.c index 16f440714c1..9915b660d9d 100644 --- a/sys/dev/usb/uhidev.c +++ b/sys/dev/usb/uhidev.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uhidev.c,v 1.85 2021/01/29 16:59:41 sthen Exp $ */ +/* $OpenBSD: uhidev.c,v 1.86 2021/02/04 16:18:34 anton Exp $ */ /* $NetBSD: uhidev.c,v 1.14 2003/03/11 16:44:00 augustss Exp $ */ /* @@ -256,8 +256,13 @@ uhidev_attach(struct device *parent, struct device *self, void *aux) /* Look for a driver claiming all report IDs first. */ dev = config_found_sm(self, &uha, NULL, uhidevsubmatch); if (dev != NULL) { - for (repid = 0; repid < nrepid; repid++) - sc->sc_subdevs[repid] = (struct uhidev *)dev; + for (repid = 0; repid < nrepid; repid++) { + /* + * Could already be assigned by uhidev_set_report_dev(). + */ + if (sc->sc_subdevs[repid] == NULL) + sc->sc_subdevs[repid] = (struct uhidev *)dev; + } return; } @@ -270,7 +275,9 @@ uhidev_attach(struct device *parent, struct device *self, void *aux) uha.reportid = repid; dev = config_found_sm(self, &uha, uhidevprint, uhidevsubmatch); - sc->sc_subdevs[repid] = (struct uhidev *)dev; + /* Could already be assigned by uhidev_set_report_dev(). */ + if (sc->sc_subdevs[repid] == NULL) + sc->sc_subdevs[repid] = (struct uhidev *)dev; } } @@ -992,3 +999,15 @@ uhidev_clear_iface_eps(struct uhidev_softc *sc, struct usbd_interface *iface) bad: printf("%s: clear endpoints failed!\n", __func__); } + +int +uhidev_set_report_dev(struct uhidev_softc *sc, struct uhidev *dev, int repid) +{ + if ((dev->sc_state & UHIDEV_OPEN) == 0) + return ENODEV; + if (repid >= sc->sc_nrepid) + return EINVAL; + + sc->sc_subdevs[repid] = dev; + return 0; +} |