diff options
| author | Bruno Prémont <bonbons@linux-vserver.org> | 2010-02-26 12:59:39 +0100 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-03-16 20:04:07 +0000 |
| commit | f0af78991363d704694a3618b638662c97d8a110 (patch) | |
| tree | 8ce2e6618ba87536d11d43136f25bcadd932c585 /drivers/platform | |
| parent | 36bc5ee6a8d13333980fa54e97d3469d3d4cda98 (diff) | |
backlight: classmate-laptop - Fix missing registration failure handling
Check newly registered backlight_device for error and properly
return error to parent.
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/classmate-laptop.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c index 6670ed8f9e5b..c696cf1c2616 100644 --- a/drivers/platform/x86/classmate-laptop.c +++ b/drivers/platform/x86/classmate-laptop.c @@ -455,7 +455,7 @@ static int cmpc_bl_update_status(struct backlight_device *bd) return -1; } -static struct backlight_ops cmpc_bl_ops = { +static const struct backlight_ops cmpc_bl_ops = { .get_brightness = cmpc_bl_get_brightness, .update_status = cmpc_bl_update_status }; @@ -469,6 +469,8 @@ static int cmpc_bl_add(struct acpi_device *acpi) props.max_brightness = 7; bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle, &cmpc_bl_ops, &props); + if (IS_ERR(bd)) + return PTR_ERR(bd); dev_set_drvdata(&acpi->dev, bd); return 0; } |