diff options
Diffstat (limited to 'sys/kern/subr_bus.c')
| -rw-r--r-- | sys/kern/subr_bus.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/kern/subr_bus.c b/sys/kern/subr_bus.c index a74bb51..d226549 100644 --- a/sys/kern/subr_bus.c +++ b/sys/kern/subr_bus.c @@ -1756,8 +1756,13 @@ device_probe_child(device_t dev, device_t child) dl = next_matching_driver(dc, child, dl)) { PDEBUG(("Trying %s", DRIVERNAME(dl->driver))); device_set_driver(child, dl->driver); - if (!hasclass) - device_set_devclass(child, dl->driver->name); + if (!hasclass) { + if (device_set_devclass(child, dl->driver->name)) { + PDEBUG(("Unable to set device class")); + device_set_driver(child, NULL); + continue; + } + } /* Fetch any flags for the device before probing. */ resource_int_value(dl->driver->name, child->unit, @@ -1843,8 +1848,11 @@ device_probe_child(device_t dev, device_t child) return (result); /* Set the winning driver, devclass, and flags. */ - if (!child->devclass) - device_set_devclass(child, best->driver->name); + if (!child->devclass) { + result = device_set_devclass(child, best->driver->name); + if (result != 0) + return (result); + } device_set_driver(child, best->driver); resource_int_value(best->driver->name, child->unit, "flags", &child->devflags); |
