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Sat, 3 Mar 2018 19:42:49 -0500 Received: from mail-bl2nam02on0090.outbound.protection.outlook.com ([104.47.38.90]:16768 "EHLO NAM02-BL2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932581AbeCCW0M (ORCPT ); Sat, 3 Mar 2018 17:26:12 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Christophe JAILLET , Sebastian Reichel , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 045/102] power: supply: ab8500_charger: Fix an error handling path Thread-Topic: [PATCH AUTOSEL for 4.15 045/102] power: supply: ab8500_charger: Fix an error handling path Thread-Index: AQHTsz5owoUgmFkZQEa7iSa2LymbAg== Date: Sat, 3 Mar 2018 22:24:35 +0000 Message-ID: <20180303222318.26006-45-alexander.levin@microsoft.com> References: <20180303222318.26006-1-alexander.levin@microsoft.com> In-Reply-To: <20180303222318.26006-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;MWHSPR01MB353;7:lOpQe4OdVpzcfe31spwWp4gzKGO0U4wCc0oKXRvD9PvGlfe6rxlKZQQAYqoQu2Ni/OasOVopFJbtdPkvaqcPrt63D9UYBKntVXRTo/3MRC+hHZIIHbIdnYQr/8WZ2OyOAVbKIfzjG+HTnKeIxIoFncOa92TVSWuFgtnH7h0wlRGz85WUKnDUgPFJAfBdhEHFoxILWT21CBhUuQFoSispPIvk6v2x4nZGF55CoUb4aLBkYFnnENXayGJBX1s9NtiE x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: cdfc193f-fc9f-47ac-2931-08d58155c1a3 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MWHSPR01MB353; 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x-microsoft-antispam-message-info: Pgos4VYzx/SWxOrwFaIX9AEKF++AbOApmgotblKmJwXKMaaTPC9K9+p0KwlPzWdNanLC4NWnTc3lu+kxrhLf02mShU2cZ3+Xj2JkMT87HETeeKUUynecdU/xvco1+WKeiW4kgSKnfpaswuLoptcChp3AfUinZgcc9yqIwNRGlzA= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: cdfc193f-fc9f-47ac-2931-08d58155c1a3 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:24:35.4315 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHSPR01MB353 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Christophe JAILLET [ Upstream commit bf59fddde1c3eab89eb8dca8f3d3dc097887d2bb ] 'ret' is know to be 0 at this point, because it has not been updated by the the previous call to 'abx500_mask_and_set_register_interruptible()'. Fix it by updating 'ret' before checking if an error occurred. Fixes: 84edbeeab67c ("ab8500-charger: AB8500 charger driver") Signed-off-by: Christophe JAILLET Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/power/supply/ab8500_charger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/supply/ab8500_charger.c b/drivers/power/supply/a= b8500_charger.c index 4ebbcce45c48..1cdbe7a0738d 100644 --- a/drivers/power/supply/ab8500_charger.c +++ b/drivers/power/supply/ab8500_charger.c @@ -3218,7 +3218,7 @@ static int ab8500_charger_init_hw_registers(struct ab= 8500_charger *di) } =20 /* Enable backup battery charging */ - abx500_mask_and_set_register_interruptible(di->dev, + ret =3D abx500_mask_and_set_register_interruptible(di->dev, AB8500_RTC, AB8500_RTC_CTRL_REG, RTC_BUP_CH_ENA, RTC_BUP_CH_ENA); if (ret < 0) --=20 2.14.1