From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2F2491863 for ; Wed, 28 Dec 2022 15:36:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A28C1C433D2; Wed, 28 Dec 2022 15:36:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672241767; bh=FJr7Qy6UAckxYkNj6qvKzPCNqrHNbkRtmUoYUAUJpF4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Z2/i9EkZbiUNhiQmgOkypNri5wfFbC4Uk1WCI4jigqDJdbEI9iSaNOMGqgAlh9YxD onw7zvOZoQLGmk+fCOG0GSHPW+ONczi70J9dk7lIAqN39dSgdSFkOVESc3D2Pv4o96 bVEfUC1HBYPhu0ntFqqBHsHsV3mZXTV7WNgxSKgI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , Sebastian Reichel , Sasha Levin Subject: [PATCH 5.15 520/731] power: supply: ab8500: Fix error handling in ab8500_charger_init() Date: Wed, 28 Dec 2022 15:40:27 +0100 Message-Id: <20221228144311.620231854@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Yuan Can [ 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 15eadaf46f14..a4f766fc7c9d 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3726,7 +3726,14 @@ 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) -- 2.35.1