From b866e8a0b7dc28d7f1b1c4f7d1329b6f0ff5c77d Mon Sep 17 00:00:00 2001 From: Yuan Can Date: Thu, 24 Nov 2022 03:19:32 +0000 Subject: [PATCH] power: supply: ab8500: Fix error handling in ab8500_charger_init() [ Upstream commit c4d33381b134da188ccd1084aef21e2b8c3c422e ] The ab8500_charger_init() returns the platform_driver_register() directly without checking its return value, if platform_driver_register() failed, all ab8500_charger_component_drivers are not unregistered. Fix by unregister ab8500_charger_component_drivers when platform_driver_register() failed. Fixes: 1c1f13a006ed ("power: supply: ab8500: Move to componentized binding") Signed-off-by: Yuan Can Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/supply/ab8500_charger.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/ab8500_charger.c index c19c504..58757a5 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3719,7 +3719,14 @@ static int __init ab8500_charger_init(void) if (ret) return ret; - return platform_driver_register(&ab8500_charger_driver); + ret = platform_driver_register(&ab8500_charger_driver); + if (ret) { + platform_unregister_drivers(ab8500_charger_component_drivers, + ARRAY_SIZE(ab8500_charger_component_drivers)); + return ret; + } + + return 0; } static void __exit ab8500_charger_exit(void) -- 2.7.4