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Thu, 15 Apr 2021 08:55:47 +0000 From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Albert Ou Cc: Atish Patra , Alistair Francis , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel , stable@vger.kernel.org Subject: [PATCH] RISC-V: Fix error code returned by riscv_hartid_to_cpuid() Date: Thu, 15 Apr 2021 14:25:22 +0530 Message-Id: <20210415085522.108624-1-anup.patel@wdc.com> X-Mailer: git-send-email 2.25.1 X-Originating-IP: [122.167.44.95] X-ClientProxiedBy: MA1PR0101CA0065.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:20::27) To DM6PR04MB6201.namprd04.prod.outlook.com (2603:10b6:5:127::32) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from wdc.com (122.167.44.95) by MA1PR0101CA0065.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:20::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4042.16 via Frontend Transport; Thu, 15 Apr 2021 08:55:43 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 08ce1bba-3502-445c-d0f2-08d8ffec42ce X-MS-TrafficTypeDiagnostic: DM5PR04MB0828: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: WDCIPOUTBOUND: EOP-TRUE X-MS-Oob-TLC-OOBClassifiers: OLM:1443; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org We should return a negative error code upon failure in riscv_hartid_to_cpuid() instead of NR_CPUS. This is also aligned with all uses of riscv_hartid_to_cpuid() which expect negative error code upon failure. Fixes: 6825c7a80f18 ("RISC-V: Add logical CPU indexing for RISC-V") Cc: stable@vger.kernel.org Signed-off-by: Anup Patel --- arch/riscv/kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/riscv/kernel/smp.c b/arch/riscv/kernel/smp.c index ea028d9e0d24..d44567490d91 100644 --- a/arch/riscv/kernel/smp.c +++ b/arch/riscv/kernel/smp.c @@ -54,7 +54,7 @@ int riscv_hartid_to_cpuid(int hartid) return i; pr_err("Couldn't find cpu id for hartid [%d]\n", hartid); - return i; + return -ENOENT; } void riscv_cpuid_to_hartid_mask(const struct cpumask *in, struct cpumask *out) -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv