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Sat, 3 Mar 2018 19:31:53 -0500 Received: from mail-by2nam01on0124.outbound.protection.outlook.com ([104.47.34.124]:45281 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933018AbeCCW1x (ORCPT ); Sat, 3 Mar 2018 17:27:53 -0500 From: Sasha Levin To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" CC: Dan Carpenter , Mark Brown , Sasha Levin Subject: [PATCH AUTOSEL for 4.15 094/102] ASoC: nuc900: Fix a loop timeout test Thread-Topic: [PATCH AUTOSEL for 4.15 094/102] ASoC: nuc900: Fix a loop timeout test Thread-Index: AQHTsz56caeVJzjg30iORgE5TvJz2g== Date: Sat, 3 Mar 2018 22:25:04 +0000 Message-ID: <20180303222318.26006-94-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;MW2SPR01MB06;7:JhpAurQTTHjC2w1TCZ6fd4VvzGW3YM8UIg5IF9pEyuJ4V24T8voN3Q/8n+dPJD4+UmmMMNuUSlLemjuicGNkY9qbh+0g6wYoC4HICBfFzWUkIRxOHzX5SbyPXgeP2A7PH8DNGaOAPX3xTwYVVeTKEylYF2dvqhE0lpc8UhcXREGDtENt9BySUbKAgccp+EEPldskeUEdoTa0bKFxzlKMhB2ggUrX3uIa+xPRTAC7U8WOzilPdoHsuGi9sGUQbSwB x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 3d74cbca-f951-4a04-e88f-08d581560057 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(4534165)(4627221)(201703031133081)(201702281549075)(48565401081)(5600026)(4604075)(3008032)(2017052603307)(7193020);SRVR:MW2SPR01MB06; 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x-microsoft-antispam-message-info: OUfmwAO8v1GfL/YEx5h/32cewjxZLyd5tLjsTUnKwC937j1d6UcmB6x8hpJdfVkD6ipttC03ffhSRo70FwTLl/M9P8xMa3zbbW/5FErvQ+/FmfvWoggTsKF2AbMosJAQmJUREX31gRWAsP+z1tm+tYJr9sG0BrSJLqu6ySYx0fI= 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: 3d74cbca-f951-4a04-e88f-08d581560057 X-MS-Exchange-CrossTenant-originalarrivaltime: 03 Mar 2018 22:25:04.2128 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2SPR01MB06 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: Dan Carpenter [ Upstream commit 65a12b3aafed5fc59f4ce41b22b752b1729e6701 ] We should be finishing the loop with timeout set to zero but because this is a post-op we finish with timeout =3D=3D -1. Fixes: 1082e2703a2d ("ASoC: NUC900/audio: add nuc900 audio driver support") Signed-off-by: Dan Carpenter Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- sound/soc/nuc900/nuc900-ac97.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.= c index b6615affe571..fde974d52bb2 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -67,7 +67,7 @@ static unsigned short nuc900_ac97_read(struct snd_ac97 *a= c97, =20 /* polling the AC_R_FINISH */ while (!(AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_R_FINISH) - && timeout--) + && --timeout) mdelay(1); =20 if (!timeout) { @@ -121,7 +121,7 @@ static void nuc900_ac97_write(struct snd_ac97 *ac97, un= signed short reg, =20 /* polling the AC_W_FINISH */ while ((AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_W_FINISH) - && timeout--) + && --timeout) mdelay(1); =20 if (!timeout) --=20 2.14.1