diff options
| author | Ingo Molnar <mingo@elte.hu> | 2010-02-08 08:55:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-02-08 08:55:46 +0100 |
| commit | 6d3e0907b8b239d16720d144e2675ecf10d3bc3b (patch) | |
| tree | e0b0743b5f6f82b057cafc4f3687396a6e01a0b4 /drivers/platform/x86/dell-wmi.c | |
| parent | 23577256953c870de9b724c3a2611ce7be6a1e4e (diff) | |
| parent | 50200df462023b187d80a99a52f5f2cfe3c86c26 (diff) | |
Merge branch 'sched/urgent' into sched/core
Merge reason: Merge dependent fix, update to latest -rc.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/platform/x86/dell-wmi.c')
| -rw-r--r-- | drivers/platform/x86/dell-wmi.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 916ccb2b316c..1b1dddbd5744 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -202,8 +202,13 @@ static void dell_wmi_notify(u32 value, void *context) struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; static struct key_entry *key; union acpi_object *obj; + acpi_status status; - wmi_get_event_data(value, &response); + status = wmi_get_event_data(value, &response); + if (status != AE_OK) { + printk(KERN_INFO "dell-wmi: bad event status 0x%x\n", status); + return; + } obj = (union acpi_object *)response.pointer; @@ -323,8 +328,9 @@ static int __init dell_wmi_input_setup(void) static int __init dell_wmi_init(void) { int err; + acpi_status status; - if (wmi_has_guid(DELL_EVENT_GUID)) { + if (!wmi_has_guid(DELL_EVENT_GUID)) { printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n"); return -ENODEV; } @@ -336,14 +342,14 @@ static int __init dell_wmi_init(void) if (err) return err; - err = wmi_install_notify_handler(DELL_EVENT_GUID, + status = wmi_install_notify_handler(DELL_EVENT_GUID, dell_wmi_notify, NULL); - if (err) { + if (ACPI_FAILURE(status)) { input_unregister_device(dell_wmi_input_dev); printk(KERN_ERR "dell-wmi: Unable to register notify handler - %d\n", - err); - return err; + status); + return -ENODEV; } return 0; |