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authorJohn Baldwin <jhb@FreeBSD.org>2013-06-14 20:32:33 +0000
committerJohn Baldwin <jhb@FreeBSD.org>2013-06-14 20:32:33 +0000
commit981f36a142eb896cc1e6090be1a867fb2c83b3e3 (patch)
tree991fd1aefa5bb14daed853b438608d05f6dba4f7 /sys/dev/acpi_support
parent5bbdaef39f6cdfcc51814611416ccc8c89cf064c (diff)
Notes
Diffstat (limited to 'sys/dev/acpi_support')
-rw-r--r--sys/dev/acpi_support/acpi_hp.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/sys/dev/acpi_support/acpi_hp.c b/sys/dev/acpi_support/acpi_hp.c
index edc04b75b402..db2a1be81da5 100644
--- a/sys/dev/acpi_support/acpi_hp.c
+++ b/sys/dev/acpi_support/acpi_hp.c
@@ -573,28 +573,26 @@ acpi_hp_attach(device_t dev)
static int
acpi_hp_detach(device_t dev)
{
- int ret;
+ struct acpi_hp_softc *sc;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
- struct acpi_hp_softc *sc = device_get_softc(dev);
- if (sc->has_cmi && sc->hpcmi_open_pid != 0) {
- ret = EBUSY;
- }
- else {
- if (sc->has_notify) {
- ACPI_WMI_REMOVE_EVENT_HANDLER(dev,
- ACPI_HP_WMI_EVENT_GUID);
- }
+ sc = device_get_softc(dev);
+ if (sc->has_cmi && sc->hpcmi_open_pid != 0)
+ return (EBUSY);
+
+ if (sc->has_notify)
+ ACPI_WMI_REMOVE_EVENT_HANDLER(dev, ACPI_HP_WMI_EVENT_GUID);
+
+ if (sc->has_cmi) {
if (sc->hpcmi_bufptr != -1) {
sbuf_delete(&sc->hpcmi_sbuf);
sc->hpcmi_bufptr = -1;
}
sc->hpcmi_open_pid = 0;
destroy_dev(sc->hpcmi_dev_t);
- ret = 0;
}
- return (ret);
+ return (0);
}
static int