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Niedermayr" To: CC: , , , , , , , Subject: [PATCH] memory: omap-gpmc: fix coverity issue "Control flow issues" Date: Wed, 9 Nov 2022 11:24:54 +0100 Message-ID: <20221109102454.174320-1-benedikt.niedermayr@siemens.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Originating-IP: [139.23.126.196] X-ClientProxiedBy: DEMCHDC8WAA.ad011.siemens.net (139.25.226.104) To DEMCHDC8WAA.ad011.siemens.net (139.25.226.104) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DB5EUR01FT031:EE_|AS2PR10MB7838:EE_ X-MS-Office365-Filtering-Correlation-Id: 9222ddac-e06e-4c62-86d0-08dac23cabaf X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:194.138.21.75;CTRY:DE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:hybrid.siemens.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230022)(4636009)(376002)(136003)(396003)(346002)(39860400002)(451199015)(46966006)(40470700004)(36840700001)(26005)(4326008)(54906003)(70206006)(40460700003)(82960400001)(36756003)(82740400003)(83380400001)(8676002)(36860700001)(6916009)(40480700001)(8936002)(356005)(5660300002)(81166007)(86362001)(6666004)(41300700001)(956004)(478600001)(186003)(1076003)(316002)(70586007)(47076005)(2906002)(16526019)(82310400005)(336012)(2616005)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: siemens.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 09 Nov 2022 10:25:05.9798 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9222ddac-e06e-4c62-86d0-08dac23cabaf X-MS-Exchange-CrossTenant-Id: 38ae3bcd-9579-4fd4-adda-b42e1495d55a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=38ae3bcd-9579-4fd4-adda-b42e1495d55a;Ip=[194.138.21.75];Helo=[hybrid.siemens.com] X-MS-Exchange-CrossTenant-AuthSource: DB5EUR01FT031.eop-EUR01.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS2PR10MB7838 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Benedikt Niedermayr Assign a big positive integer instead of an negative integer to an u32 variable. Also remove the check for ">= 0" which doesn't make sense for unsigned integers. Reported-by: coverity-bot Addresses-Coverity-ID: 1527139 ("Control flow issues") Fixes: 89aed3cd5cb9 ("memory: omap-gpmc: wait pin additions") Signed-off-by: Benedikt Niedermayr Reviewed-by: Roger Quadros --- drivers/memory/omap-gpmc.c | 2 +- include/linux/platform_data/gpmc-omap.h | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c index e427572712e2..57d9f91fe89b 100644 --- a/drivers/memory/omap-gpmc.c +++ b/drivers/memory/omap-gpmc.c @@ -1045,7 +1045,7 @@ EXPORT_SYMBOL(gpmc_cs_free); static bool gpmc_is_valid_waitpin(u32 waitpin) { - return waitpin >= 0 && waitpin < gpmc_nr_waitpins; + return waitpin < gpmc_nr_waitpins; } static int gpmc_alloc_waitpin(struct gpmc_device *gpmc, diff --git a/include/linux/platform_data/gpmc-omap.h b/include/linux/platform_data/gpmc-omap.h index 296b080c5c67..dcca6c5e23bb 100644 --- a/include/linux/platform_data/gpmc-omap.h +++ b/include/linux/platform_data/gpmc-omap.h @@ -137,11 +137,11 @@ struct gpmc_device_timings { #define GPMC_MUX_AD 2 /* Addr-Data multiplex */ /* Wait pin polarity values */ -#define GPMC_WAITPINPOLARITY_INVALID -1 +#define GPMC_WAITPINPOLARITY_INVALID UINT_MAX #define GPMC_WAITPINPOLARITY_ACTIVE_LOW 0 #define GPMC_WAITPINPOLARITY_ACTIVE_HIGH 1 -#define GPMC_WAITPIN_INVALID -1 +#define GPMC_WAITPIN_INVALID UINT_MAX struct gpmc_settings { bool burst_wrap; /* enables wrap bursting */