diff options
| author | Bruno Prémont <bonbons@linux-vserver.org> | 2010-02-26 15:20:10 +0300 |
|---|---|---|
| committer | Richard Purdie <rpurdie@linux.intel.com> | 2010-03-16 23:13:31 +0300 |
| commit | ec57af9c2ece22ae6234189972105d777ff5f939 (patch) | |
| tree | 73979ad29548c133273a3130d6d10aa25591d5be /drivers/platform/x86/panasonic-laptop.c | |
| parent | 28d85873cd6d8d3176e30e02b941b1329df1024c (diff) | |
| download | linux-ec57af9c2ece22ae6234189972105d777ff5f939.tar.xz | |
backlight: panasonic-laptop - Fix incomplete registration failure handling
Properly return backlight registration error to parent.
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Harald Welte <laforge@gnumonks.org> (registration failure)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
Diffstat (limited to 'drivers/platform/x86/panasonic-laptop.c')
| -rw-r--r-- | drivers/platform/x86/panasonic-laptop.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index ab5c9cea1462..726f02affcb6 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -352,7 +352,7 @@ static int bl_set_status(struct backlight_device *bd) return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright); } -static struct backlight_ops pcc_backlight_ops = { +static const struct backlight_ops pcc_backlight_ops = { .get_brightness = bl_get, .update_status = bl_set_status, }; @@ -651,8 +651,10 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device) props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT]; pcc->backlight = backlight_device_register("panasonic", NULL, pcc, &pcc_backlight_ops, &props); - if (IS_ERR(pcc->backlight)) + if (IS_ERR(pcc->backlight)) { + result = PTR_ERR(pcc->backlight); goto out_sinf; + } /* read the initial brightness setting from the hardware */ pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT]; |