diff options
author | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 16:20:34 -0800 |
---|---|---|
committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 16:20:34 -0800 |
commit | d02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch) | |
tree | c3ce99a00061bcc1199b50fa838147d876c56717 /drivers/platform/x86/dell-wmi.c | |
parent | 0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff) | |
parent | aef55d4922e62a0d887e60d87319f3718aec6ced (diff) |
Merge branch 'x86/irq' into x86/apic
Merge reason:
Conflicts in arch/x86/kernel/apic/io_apic.c
Resolved Conflicts:
arch/x86/kernel/apic/io_apic.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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 916ccb2b316..1b1dddbd574 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; |