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Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Minjie Du , Stephen Rothwell , linux-pm@vger.kernel.org (open list:THERMAL), linux-kernel@vger.kernel.org (open list), linux-arm-kernel@lists.infradead.org (moderated list:ARM/Mediatek SoC support), linux-mediatek@lists.infradead.org (moderated list:ARM/Mediatek SoC support) Cc: opensource.kernel@vivo.com Subject: [PATCH v1] drivers: mediatek: fix parameter check in lvts_debugfs_init() Date: Thu, 13 Jul 2023 12:24:12 +0800 Message-Id: <20230713042413.2519-1-duminjie@vivo.com> X-Mailer: git-send-email 2.39.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: TYCP286CA0254.JPNP286.PROD.OUTLOOK.COM (2603:1096:400:456::8) To SG2PR06MB5288.apcprd06.prod.outlook.com (2603:1096:4:1dc::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SG2PR06MB5288:EE_|TYZPR06MB5025:EE_ X-MS-Office365-Filtering-Correlation-Id: cf84d3d3-f347-4270-5bd8-08db83590ed4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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charset="utf-8" Make IS_ERR() judge the debugfs_create_dir() function return in lvts_debugfs_init(). Signed-off-by: Minjie Du --- drivers/thermal/mediatek/lvts_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/medi= atek/lvts_thermal.c index b693fac2d..b46f351d1 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -190,7 +190,7 @@ static int lvts_debugfs_init(struct device *dev, struct= lvts_domain *lvts_td) int i; =20 lvts_td->dom_dentry =3D debugfs_create_dir(dev_name(dev), NULL); - if (!lvts_td->dom_dentry) + if (IS_ERR(lvts_td->dom_dentry)) return 0; =20 for (i =3D 0; i < lvts_td->num_lvts_ctrl; i++) { --=20 2.39.0