diff options
| author | Alexey Khoroshilov <khoroshilov@ispras.ru> | 2016-07-09 00:19:51 +0200 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2017-01-04 12:37:31 +0100 |
| commit | 0eb3fba8c68275f0122f65f7316efaaf86448016 (patch) | |
| tree | 5d46ec3cd8c23a385d8784bf053ed1e6f310c22c /drivers/video | |
| parent | backlight: lcd: Fix race condition during register (diff) | |
| download | linux-0eb3fba8c68275f0122f65f7316efaaf86448016.tar.xz linux-0eb3fba8c68275f0122f65f7316efaaf86448016.zip | |
backlight: adp5520: Fix error handling in adp5520_bl_probe()
If adp5520_bl_setup() fails, sysfs group left unremoved.
By the way, fix overcomplicated assignement of error code.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/backlight/adp5520_bl.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c index dd88ba1d71ce..35373e2065b2 100644 --- a/drivers/video/backlight/adp5520_bl.c +++ b/drivers/video/backlight/adp5520_bl.c @@ -332,10 +332,18 @@ static int adp5520_bl_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, bl); - ret |= adp5520_bl_setup(bl); + ret = adp5520_bl_setup(bl); + if (ret) { + dev_err(&pdev->dev, "failed to setup\n"); + if (data->pdata->en_ambl_sens) + sysfs_remove_group(&bl->dev.kobj, + &adp5520_bl_attr_group); + return ret; + } + backlight_update_status(bl); - return ret; + return 0; } static int adp5520_bl_remove(struct platform_device *pdev) |