diff options
| author | grehan <grehan@FreeBSD.org> | 2013-07-05 05:47:10 +0000 |
|---|---|---|
| committer | grehan <grehan@FreeBSD.org> | 2013-07-05 05:47:10 +0000 |
| commit | 6a7baaf83640e0eaa135d2f7a3c1d4401f1683bf (patch) | |
| tree | 83ae82cf8f72af4b819f49aa52acdd97f74c6328 /sys/dev/acpica/acpi_pcib_acpi.c | |
| parent | 2cb5a953f0a60811764ccaca7c37b51ff007c711 (diff) | |
| parent | 8e6b84b998690dcfc1a4957dc7a483ac5b600db8 (diff) | |
| download | FreeBSD-src-6a7baaf83640e0eaa135d2f7a3c1d4401f1683bf.zip FreeBSD-src-6a7baaf83640e0eaa135d2f7a3c1d4401f1683bf.tar.gz | |
IFC @ r252763
Diffstat (limited to 'sys/dev/acpica/acpi_pcib_acpi.c')
| -rw-r--r-- | sys/dev/acpica/acpi_pcib_acpi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/acpica/acpi_pcib_acpi.c b/sys/dev/acpica/acpi_pcib_acpi.c index 36d9580..882834d 100644 --- a/sys/dev/acpica/acpi_pcib_acpi.c +++ b/sys/dev/acpica/acpi_pcib_acpi.c @@ -287,6 +287,12 @@ acpi_pcib_acpi_attach(device_t dev) sc->ap_handle = acpi_get_handle(dev); /* + * Don't attach if we're not really there. + */ + if (!acpi_DeviceIsPresent(dev)) + return (ENXIO); + + /* * Get our segment number by evaluating _SEG. * It's OK for this to not exist. */ @@ -353,7 +359,7 @@ acpi_pcib_acpi_attach(device_t dev) if (status != AE_NOT_FOUND) { device_printf(dev, "could not evaluate _BBN - %s\n", AcpiFormatException(status)); - return_VALUE (ENXIO); + return (ENXIO); } else { /* If it's not found, assume 0. */ sc->ap_bus = 0; |
