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R. Silva" Cc: Kalle Valo , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , ath11k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH][next] wifi: ath11k: Replace fake flex-array with flexible-array member Message-ID: References: Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-ClientProxiedBy: AM0PR02CA0174.eurprd02.prod.outlook.com (2603:10a6:20b:28e::11) To PH0PR13MB4842.namprd13.prod.outlook.com (2603:10b6:510:78::6) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH0PR13MB4842:EE_|CH2PR13MB3895:EE_ X-MS-Office365-Filtering-Correlation-Id: 3da0c463-02b0-43c4-d39c-08db1ff056e0 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:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH0PR13MB4842.namprd13.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230025)(4636009)(366004)(136003)(39840400004)(376002)(346002)(396003)(451199018)(5660300002)(8676002)(4326008)(36756003)(44832011)(8936002)(6916009)(6666004)(6506007)(41300700001)(4744005)(66946007)(2906002)(86362001)(38100700002)(66556008)(66476007)(7416002)(6486002)(966005)(54906003)(6512007)(478600001)(316002)(83380400001)(186003)(2616005);DIR:OUT;SFP:1102; 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R. Silva wrote: > Zero-length arrays as fake flexible arrays are deprecated and we are > moving towards adopting C99 flexible-array members instead. > > Address 25 of the following warnings found with GCC-13 and > -fstrict-flex-arrays=3 enabled: > drivers/net/wireless/ath/ath11k/debugfs_htt_stats.c:30:51: warning: array subscript is outside array bounds of ‘const u32[0]’ {aka ‘const unsigned int[]’} [-Warray-bounds=] > > This helps with the ongoing efforts to tighten the FORTIFY_SOURCE > routines on memcpy() and help us make progress towards globally > enabling -fstrict-flex-arrays=3 [1]. > > Link: https://github.com/KSPP/linux/issues/21 > Link: https://github.com/KSPP/linux/issues/266 > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] > Signed-off-by: Gustavo A. R. Silva Reviewed-by: Simon Horman