diff options
| -rw-r--r-- | sys/dev/ahci/ahci.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c index 35447ca..4de14c9 100644 --- a/sys/dev/ahci/ahci.c +++ b/sys/dev/ahci/ahci.c @@ -498,13 +498,14 @@ ahci_attach(device_t dev) } /* Attach all channels on this controller */ for (unit = 0; unit < ctlr->channels; unit++) { - if ((ctlr->ichannels & (1 << unit)) == 0) - continue; child = device_add_child(dev, "ahcich", -1); - if (child == NULL) + if (child == NULL) { device_printf(dev, "failed to add channel device\n"); - else - device_set_ivars(child, (void *)(intptr_t)unit); + continue; + } + device_set_ivars(child, (void *)(intptr_t)unit); + if ((ctlr->ichannels & (1 << unit)) == 0) + device_disable(child); } bus_generic_attach(dev); return 0; |
