From: Alexey Khoroshilov Date: Fri, 8 Jul 2016 22:19:51 +0000 (+0300) Subject: backlight: adp5520: Fix error handling in adp5520_bl_probe() X-Git-Tag: v4.11-rc1~104^2~4 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=0eb3fba8c68275f0122f65f7316efaaf86448016;p=linux.git 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 Acked-by: Michael Hennerich Signed-off-by: Lee Jones --- 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)